00274nam a2200121Ia 4500008004100000041000800041082001800049100002000067245003800087250001000125260000900135300000800144211209s1979    xx            000 0 und d  aeng  a516.6 N79 ABD  aABDULLA SHARIFF  aENGINEERING DESCRIPTIVE GEOMETRY   a3 ed.  c1979  a576