00498nam a2200169Ia 4500008004100000020001500041082002100056100002500077245007700102260004900179300000800228650002000236650001400256653001800270700002000288700002000308170901s1974    xx            000 0 und d  a0024127000  a301.310973bS49O  aSmith, Grahame J. C. 0aOur Ecological CrisisbIts Biological, Economic and Political Dimensions  aNew YorkbMacmillan Publishing Companyc1974  a198  aSocial sciences  aSociology  aHuman ecology  aSteck, Henry J.  aSurette, Gerald