TY  - GEN
TI  - MAN AND HIS ECOSYSTIM: PROCEEDINGS OF THE 8th WORLD CLEAN AIR CONGRESS 1989 HELD AT THE HAGUE, 11-15 SEPTEMBER 1989
SN  - 0444874674
U1  - 363.7392 
PY  - 1989///
CY  - Amsterdam
PB  - Elsevier
KW  - Man -- Influence on Nature -- Congresses
KW  - Air -- Pollution -- Congresses
KW  - Pollution -- Envirnomental Aspects -- Congresses
ER  -