TY  - BOOK
AU  - Ballantyne,Bryan
AU  - Schwabe,Paul H.
ED  - British Occupational Hygiene Society.
ED  - Great Britain.
ED  - Royal Society of Medicine (Great Britain)
TI  - Respiratory protection: principles and applications 
SN  - 0815104154
AV  - RA 645 .R4
U1  - 363.1/172 19
PY  - 1981///
CY  - London ; New York
PB  - Chapman and Hall
KW  - Protective Devices
KW  - congresses
KW  - Respiratory Protective Devices
KW  - Breathing apparatus
N1  - Based on a symposium held jointly between the Royal Society of Medicine, the British Occupational Hygiene Society, and the Chemical Defence Establishment in 1980
ER  -