00296nam a2200097Ia 4500008004100000050001700041245002600058250005200084650003200136700003000168151015s9999    xx            000 0 und d  aLC 191 .H33   aHavighurst Robert J.   a_Society and Education / Robert J. Havinghurst   a_American Social Structure   a^d20120305 02:58:25^oanne