00389nam a2200145Ia 4500008004100000020001500041082001800056100002000074245004100094260004600135300000800181650002000189650001400209653002000223170901s1978    xx            000 0 und d  a0801641438  a309.173bR58S  aRobers, Rion E. 0aSocial ProblemsbHuman Possibilities  aSaint LouisbThe C.V. Mosby Companyc1978  a310  aSocial sciences  aSociology  aSocial problems