00426nam a2200121Ia 4500008004100000082001500041100001500056245006300071260003800134365000600172630006300178730006300241100415s9999    xx            000 0 und d  b10959a575  aFedorov  E  aMan and Nature : The Ecological Crisis and Social Progress  aMOSCOSc1980bPROGRESS PUBLISHERS  b0  aMan and Nature : The Ecological Crisis and Social Progress  aMan and Nature : The Ecological Crisis and Social Progress