TY  - BOOK
AU  - World Health Organization
TI  - Air quality guidelines for Europe
SN  - 92-890-1114-9
U1  - 616.98 
PY  - 1987///
CY  - Copenhagen
PB  - World Health Organization
N1  - World Health Organization: Air quality guidelines for Europe.  Copenhagen.  World Health Organization, 1987. 92-890-1114-9--(616.98WOR)
ER  -