TY  - BOOK
AU  - World Health Organization
TI  - IPCS (Environmental health criteria no - 188): Nitrogen oxides
SN  - 92-4-157188-8
U1  - 661.98 
PY  - 1997///
CY  - Geneva
PB  - UNEP and World Health Organization
KW  - IPCS
KW  - Industrial chemicals
N1  - Gift; IPCS, industrial chemicals, occupational safety
ER  -