To live on earth : man and his environment in perspective

Manylion Llyfryddiaeth
Prif Awdur:	Brubaker, Sterling
Fformat:	Llyfr
Iaith:	English
Cyhoeddwyd:	Baltimore Johns Hopkins Press for Resources for the Future c1972.
Pynciau:	Man > Influence of environment. Man > Influence on nature.