00331nam a2200109Ia 4500008004100000040003800041100002700079245003600106260004200142300002000184653001700204211215s9999    xx            000 0 und d  cJayakar Knowledge Resource Centre  aHerskovits, Melville J 0aHuman factor in changing africa  bRoutledge & kegan kpaulaLondonc1962  axiv, 500 lvp p.  aHuman factor