TY  - BOOK
ED  - Session of the Joint ILO, WHO Committee on Occupational Health 
TI  - Permissible levels of toxic substances working environment: proceedings
T2  - Occupational safety and health series; 
U1  - 613.62 21st ed.
PY  - 1968///
CY  - Geneva
PB  - International Labour Office -Geneva
KW  - Conference
KW  - Ecotoxicology
KW  - Proceedings
KW  - Toxic substances
N1  - Index: p. 356-405
ER  -