
41.		Environmental philosophy : from animal rights to radical ecology / ed. Michael E. Zimmerman
42.		Revered earth / coord. Dominique GW Mazeaud
43.		Espécies ameaçadas em Portugal / António Martins (coord.)
44.		The three ecologies / Félix Guattari Autor: Guattari, Félix, 1930-1992
45.		Ecologia e economia (Editorial) Data: Nov. 1988
46.		Ecologia e energia eléctrica (Editorial) Autor: Amaral, Ferreira do Data: Ago-Set 1983
47.		Energy for our World : 11Th World Energy Conference / World Energy Conference
48.		Seventeenth Congress of the International Association for Hydraulic Research. Vol.6 / Association International Autor: International, Association
49.		The Genesis strategy : climate global survival / Stephen H. Schneider , Lynne E. Mesirow Autor: Schneider, Stephen H. Mesirow, Lynne E.
50.		Design for the real world : human ecology and social change / Victor J. Papanek Autor: Papanek, Victor J.