TY  - BOOK
TI  - Methods used in the USSR for establishing biologically safe levels of toxic substances: papers presented at a WHO meeting held in Moscow from 12 to 19 December 1972
SN  - 9241560436
U1  - 615.907 
PY  - 1975///
CY  - Geneva
PB  - World Health Organization
KW  - Environmental health
N1  - On spine: Biologically safe levels of toxic substances in USSR
ER  -