TY  - BOOK
AU  - World Health Organization
TI  - IPCS (concise international chemical assessment document no - 24): crystalline silica, quartz
SN  - 92-4-153024-3
U1  - 615.902 
PY  - 2000///
CY  - Geneva
PB  - UNEP and World Health Organization
KW  - IPCS
KW  - Pharmacology -- Therapeutics
N1  - Gift; IPCS, chemical safety, pharmaceutical substances
ER  -