People and the environment :
People and the environment : preserving the balance : the report of proceedings of the Fifteenth Congress of the Universities of the Commonwealth, Swansea, August 1993 : including keynote address by Sir John Houghton, Chairman of the Royal Commission on Environmental Pollution /
[editor of congress proceedings Eileen A. Archer].
- London : Association of Commonwealth Universities, 1994.
- 447 p. : ill.pic. 24 cm.