United Nations Conference on Environment and Development.

Xehetasun bibliografikoak
Erakunde egilea:	United Nations Conference on Environment and Development (1992 : Rio de Janeiro, Brazil;)
Formatua:	Liburua
Hizkuntza:	English
Argitaratua:	S.L. s.n. [199?]
Gaiak:	United Nations Conference on Environment and Development (1992 : Rio de Janeiro, Brazil) Environmental policy > International cooperation. Economic development > Environmental aspects.