00327nam a2200121Ia 4500008004100000020001800041041000800059082002200067100001500089245005900104260003300163300000900196230411s9999    xx            000 0 und d  a0-471-91741-9  aeng  aPY/150/FRU/B05992  aFrude Neil  aUnderstanding Family Problems : Psychological approach  bJohn WileyaChichesterc1991  a418p