TY  - BOOK
AU  - Ward, M. A.
ED  - Banff Conference on Pollution,
ED  - Calgary, Alta. University
TI  - Man and his environment: proceedings ... 
U1  - 628.5 
PY  - 1970///-
CY  - Oxford
PB  - Pergamon Press
KW  - Pollution
KW  - Congresses
N1  - " Sponsored jointly by the University of Calgary and the Engineering Institute of Canada; Includes bibliographical references
ER  -