00558nam a2200121Ia 4500008004100000082001700041100002500058245010500083260003200188365000600220630010500226730010500331100415s9999    xx            000 0 und d  b15256a574.5  aQuarrie  Joyce (ed.)  aEarth Summit 1992 : The United Nations Conference on Environment and Development Rio de Janeiro 1992  aLONDONc1992bREGENCY PRESS  b0  aEarth Summit 1992 : The United Nations Conference on Environment and Development Rio de Janeiro 1992  aEarth Summit 1992 : The United Nations Conference on Environment and Development Rio de Janeiro 1992