Towards a plan of actions for mankind problems and perspectives

Manylion Llyfryddiaeth
Awdur Corfforaethol:	Institut de la vie
Awduron Eraill:	Marois, Maurice 1922-
Fformat:	Llyfr
Iaith:	English
Cyhoeddwyd:	Amsterdam North-Holland Pub. c1974.
Pynciau:	Environmental policy > Congresses. Economic development > Congresses. Human ecology > Congresses.