Proceedings of National seminar on environmental pollution
National seminar on environmental pollution,ludhiana,feb18,1
Proceedings of National seminar on environmental pollution - Ludhiana Institute of engineers 1989 - 28 cm,1v(various paging)
POLLUTION -- CONGRESSES
POLLUTION -- CONGRESSES
"363,73N28P" 174758,331.072 054 I-2F 174759,333.730 954 S60P 174760,HI 133.6 C32H 174761,574 I-5I 174762,575.1 P43C 174763,589.901 5 A21P 174764,591.33 B76I 174765,574.87 A59M 174766,574 R17E 174767,581.1 S78A 174768,574.87 G13D 174769,574.87
Proceedings of National seminar on environmental pollution - Ludhiana Institute of engineers 1989 - 28 cm,1v(various paging)
POLLUTION -- CONGRESSES
POLLUTION -- CONGRESSES
"363,73N28P" 174758,331.072 054 I-2F 174759,333.730 954 S60P 174760,HI 133.6 C32H 174761,574 I-5I 174762,575.1 P43C 174763,589.901 5 A21P 174764,591.33 B76I 174765,574.87 A59M 174766,574 R17E 174767,581.1 S78A 174768,574.87 G13D 174769,574.87