TY  - BOOK
AU  - Ward M.A. Ed.
AU  - Papers and proceedings
ED  - Papers and proceedings
ED  - Banff Conference on Pollution (Ist) (1968 : Canada)
TI  - Man and his Environment: Ed by M A Ward   V 1   
U1  - X0aD854p1,N68, K8 
PY  - 1970///
CY  - Oxford
PB  - Pergamon Press         
KW  - Economics IRT Air Pollution
ER  -