00271nam a2200121Ia 4500008004100000041000800041082002200049100001200071245003900083250001000122260000900132300000800141211209s1979    xx            000 0 und d  aeng  a516.6 N79 ABD/SHA  aABDULLA  aENGINEERING DESCRIPTIVE GEOMENTRY   a3 ed.  c1979  a573