00301nam a2200133Ia 4500008004100000041000800041082001600049100002100065245002900086260001700115300001200132365001000144650001300154210719s1953    xx            000 0 und d  aeng  a516.24 KUNE  aKUNJIPAULO (A O)  aElementary trigonometry.  aMadrasc1953  a216bHB  b2cRs  aGeometry