TY - BOOK AU - Mackay,Donald AU - Harrison,Wyman ED - University of Toronto. TI - Oil and the Canadian environment PY - 1973///] CY - [s.l. PB - s.n. KW - Petroleum industry and trade KW - Environmental aspects KW - Canada KW - Oil pollution of rivers, harbors N1 - "Proceedings of the conference, 16 May 1973, sponsored by the Institute of Environmental Sciences and Engineering, University of Toronto." ER -