00374nam a2200133Ia 4500008004100000082001500041100002400056245006800080260003200148300000800180650002000188650001400208653001800222170901s1968    xx            000 0 und d  a301.3bQ-1  aHumphrey, Hubert H. 0aQuality of Man's EnvironmentbSmithsonian Institution Symposium  aMadrasbHigginbothamsc1968  a250  aSocial sciences  aSociology  aHuman ecology