TY  - BOOK
TI  - Occupational exposure limits for airborne toxic substances : a tabular compilation of values from selected countries
T2  - Occupational Safety and Health
SN  - 9221023265 (pbk.) :
U1  - 615.910212 
PY  - 1980///
CY  - Geneva
PB  - International Labour Office
KW  - Threshold limit values (Industrial toxicology)
KW  - Air
ER  -