00277nam a2200109Ia 4500008004100000041000800041082001600049100002200065245005400087260001900141365000700160230303s9999    xx            000 0 und d  aeng  a510.712 WIT  aWITTING (ARNO F.)  aTheory and Problems of Introduction to Psychology  aNew DelhibTMH  cRS