00307nam a2200121Ia 4500008004100000020000600041040003800047100001700085245001200102260003800114300001600152653001700168211215s9999    xx            000 0 und d  aN  cJayakar Knowledge Resource Centre  aRuthven, K K 0aConceit  bMETHUEN AND CO.LTD.aLondonc1969  avii, 70p p.  aLITERATUREBK