00457nam 2275259 450000100060000000300230000600500090002900800410003808200080007907200180008702000180010510000160012326000520013924500270019165000180021865000150023665000260025175259StarLibrary Marc Built20180420201711 ||||| |||||||||||amh  a621 aLight Sources a0-471-38162-4 aMark Karlen bمكتبة الانجلو المصرية c2004 aLighting Design Basics aLight Sources aLuminaires aSwitching and Dimming