00331nam 2200852 4500001000400000003002300004005000900027008004100036082001100077100001100088260002500099250001900124245005600143852StarLibrary Marc Built20180713201711 ||||| |||||||||||amh  a531.19 ahannah bedward arnold c1984 aالطبعة 4 amechanics of machines elementry theory and examples