Economiser la planete /
Allegre, Claude J.
Economiser la planete / Claude Allegre. - [Paris] : Fayard, 1990. - 379 p. : ill. - Le Temps des sciences .
Includes bibliographical references (p. 379-[380]).
221302460X :
Environmental degradation.
Conservation of natural resources.
Economiser la planete / Claude Allegre. - [Paris] : Fayard, 1990. - 379 p. : ill. - Le Temps des sciences .
Includes bibliographical references (p. 379-[380]).
221302460X :
Environmental degradation.
Conservation of natural resources.