Man and his environment 
/ Proceedings of the.................................Canada, 16 and 17 May, 1968 
 - Oxford:   Pergamon Press,   1970 
 - xi, 196p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Proceedings
<br/><br/><label>Universal Decimal Class. No.: </label>502.511(082.2)  / L0