00341nam a2200133Ia 4500008004100000082001700041100002000058245003200078260004200110300000800152650002000160650001400180653001300194170901s1976    xx            000 0 und d  a304.66bK87D  aKnowles, Edmond 0aDynamics of The Family Unit  aNew JerseybE and E Enterprisesc1976  a125  aSocial sciences  aSociology  aFamilies