Marha, Karel
Overview
| Works: | 25 works in 56 publications in 3 languages and 317 library holdings |
|---|---|
| Genres: | Handbooks and manuals |
| Roles: | Author |
| Classifications: | QP82.2.E43, 574.19151 |
Publication Timeline
.
Most widely held works by
Karel Marha
Electromagnetic fields and the life environment by
Karel Marha(
Book
)
8 editions published in 1971 in English and held by 159 WorldCat member libraries worldwide
8 editions published in 1971 in English and held by 159 WorldCat member libraries worldwide
The case for concern about very low frequency fields from visual display terminals : the need for further research and shielding
of VDT's by
Karel Marha(
Book
)
3 editions published in 1983 in English and held by 42 WorldCat member libraries worldwide
3 editions published in 1983 in English and held by 42 WorldCat member libraries worldwide
Emissions from video display terminals and their measurement : a training manual by
Karel Marha(
Book
)
3 editions published in 1986 in English and held by 34 WorldCat member libraries worldwide
3 editions published in 1986 in English and held by 34 WorldCat member libraries worldwide
VLF - very low frequency fields near VDTs and an example of their removal by
Karel Marha(
Book
)
6 editions published between 1983 and 1984 in English and held by 17 WorldCat member libraries worldwide
A shielding system is described for the removal of low frequencyemissions originating in "fly back" transformers of video displayterminals
6 editions published between 1983 and 1984 in English and held by 17 WorldCat member libraries worldwide
A shielding system is described for the removal of low frequencyemissions originating in "fly back" transformers of video displayterminals
The very low frequency (VLF) emission testing of CCOHS video display terminals by
Karel Marha(
Book
)
4 editions published between 1983 and 1984 in English and held by 13 WorldCat member libraries worldwide
The objectives of this study were to determine the magnitude ofthe very low frequency electric field around video displayterminals used at Candadian Centre for Occupational Health andSafety, and where the field strength was found to besignificantly above background, to determine if a simple, practical method exists to remove or isolate these fields fromthe area surrounding the unit
4 editions published between 1983 and 1984 in English and held by 13 WorldCat member libraries worldwide
The objectives of this study were to determine the magnitude ofthe very low frequency electric field around video displayterminals used at Candadian Centre for Occupational Health andSafety, and where the field strength was found to besignificantly above background, to determine if a simple, practical method exists to remove or isolate these fields fromthe area surrounding the unit
Mesures des emissions des terminaux a ecran de visualisation : manuel de formation by
Karel Marha(
Book
)
2 editions published in 1986 in French and held by 9 WorldCat member libraries worldwide
2 editions published in 1986 in French and held by 9 WorldCat member libraries worldwide
The case for concern about very low frequency fields from visual display terminals : the need for further research and shielding
of VDTs by
Karel Marha(
Book
)
5 editions published in 1983 in English and held by 6 WorldCat member libraries worldwide
Very low frequency spectrum electromagnetic radiation, between 3-30 kilohertz, is a cause for concern among operators of visual display terminals. Evidence is given of fields from VDTs, biological effects, detrimental effects, effectiveness of shielding, and existing standards and exposure limit values. Technical explanations are also included
5 editions published in 1983 in English and held by 6 WorldCat member libraries worldwide
Very low frequency spectrum electromagnetic radiation, between 3-30 kilohertz, is a cause for concern among operators of visual display terminals. Evidence is given of fields from VDTs, biological effects, detrimental effects, effectiveness of shielding, and existing standards and exposure limit values. Technical explanations are also included
Champs électriques de très basses fréquences près des terminaux à écran de visualisation et un moyen de les éliminer by
Karel Marha(
Book
)
1 edition published in 1983 in French and held by 6 WorldCat member libraries worldwide
1 edition published in 1983 in French and held by 6 WorldCat member libraries worldwide
Les dangers d'exposition aux champs de très basses fréquences des terminaux à écran de visualisation : facteurs justifiant
d'autres recherches et l'utilisation du blindage by
Karel Marha(
Book
)
1 edition published in 1983 in French and held by 6 WorldCat member libraries worldwide
1 edition published in 1983 in French and held by 6 WorldCat member libraries worldwide
Mesure du champ électrique de très basses fréquences produit par les terminaux à écran de visualisation (TEV) utilisés
par le CCHST by
Karel Marha(
Book
)
1 edition published in 1984 in French and held by 3 WorldCat member libraries worldwide
1 edition published in 1984 in French and held by 3 WorldCat member libraries worldwide
Very Low Frequency (VLF) Emission Testing of CCOHS Video Display Terminals by
Canadian Centre for Occupational Health and Safety(
Book
)
1 edition published in 1983 in English and held by 3 WorldCat member libraries worldwide
1 edition published in 1983 in English and held by 3 WorldCat member libraries worldwide
Emissions from video display terminals and their measurement. a training manual by
Karel Marha(
Book
)
4 editions published in 1986 in English and held by 2 WorldCat member libraries worldwide
4 editions published in 1986 in English and held by 2 WorldCat member libraries worldwide
VLF : very low frequency fields near VDTs and an example of their removal by
Canadian Centre for Occupational Health and Safety(
Book
)
1 edition published in 1983 in English and held by 2 WorldCat member libraries worldwide
1 edition published in 1983 in English and held by 2 WorldCat member libraries worldwide
Nonionizing radiation annotated bibliography by Hana Pafková(
Book
)
2 editions published in 1975 in Undetermined and English and held by 2 WorldCat member libraries worldwide
2 editions published in 1975 in Undetermined and English and held by 2 WorldCat member libraries worldwide
Elektromagnetické pole a životní prostředí by
Karel Marha(
Book
)
2 editions published in 1968 in Undetermined and Czech and held by 2 WorldCat member libraries worldwide
U nás vychází poprvé publikace o této problematice. Jednak shrnuje zkušenosti a nové poznatky autorů, jednak podává přehled výsledků dosažených na celém světě. Předpokládá však znalost základních matematických, fyzikálních, biologických a chemických pojmů. Osvětluje biologické účinky rádiových vln na živou tkáň, zvláště na člověka a ochranu před těmito účinky
2 editions published in 1968 in Undetermined and Czech and held by 2 WorldCat member libraries worldwide
U nás vychází poprvé publikace o této problematice. Jednak shrnuje zkušenosti a nové poznatky autorů, jednak podává přehled výsledků dosažených na celém světě. Předpokládá však znalost základních matematických, fyzikálních, biologických a chemických pojmů. Osvětluje biologické účinky rádiových vln na živou tkáň, zvláště na člověka a ochranu před těmito účinky
Biological and health effects of extremely low frequency fields : a list of Eastern European literature by
A Cutz(
Book
)
3 editions published in 1988 in English and held by 2 WorldCat member libraries worldwide
3 editions published in 1988 in English and held by 2 WorldCat member libraries worldwide
Biological and health effects of extremely low frequency fields : a list of eastern European literature by
Andrew Cutz(
Book
)
1 edition published in 1988 in English and held by 2 WorldCat member libraries worldwide
1 edition published in 1988 in English and held by 2 WorldCat member libraries worldwide
The case for concern about very low frequency fields from visual by
Karel Marha(
Book
)
1 edition published in 1983 in English and held by 1 WorldCat member library worldwide
1 edition published in 1983 in English and held by 1 WorldCat member library worldwide
Biological and health effects of extremely low frequency fields : a list of Eastern European Literature by
Andrew Cutz(
Book
)
1 edition published in 1988 in English and held by 1 WorldCat member library worldwide
1 edition published in 1988 in English and held by 1 WorldCat member library worldwide
The very low frequency (vlf) emission testing of ccohs video display by
Karel Marha(
Book
)
1 edition published in 1983 in English and held by 1 WorldCat member library worldwide
1 edition published in 1983 in English and held by 1 WorldCat member library worldwide
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Related Identities
Associated Subjects
Cathode ray tubes Electric fields Electromagnetic fields Electromagnetic waves Electromagnetism Electromagnetism--Physiological effect Fluorescent screens--Physiological effect Industrial hygiene Industrial safety Microwaves--Physiological effect Radiation--Measurement Radiation--Safety measures Video display terminals Video display terminals--Health aspects Video display terminals--Safety measures VLF emissions