00300nam a2200109Ia 4500008004100000041000800041082002400049100001900073245004600092260004300138300000900181230411s9999    xx            000 0 und d  aeng  aPY/158.2/WEA/B01863  aWeaver Richard  aUnderstanding Interpersonal Communication  bHarper collins collageaNew Yorkc1987  a372p