00300nam 2200936 4500001000400000003002300004005000900027008004100036082001100077100001000088260002000098250001900118245003100137936StarLibrary Marc Built20180713201711 ||||| |||||||||||amh  a537.62 aguile bpergamon c1977 aالطبعة 2 aelectrctrcal power systems