00404nam 2272030 450000100060000000300230000600500090002900800410003808200110007902000180009010000370010826000600014525000060020524500490021172030StarLibrary Marc Built20180420201711 ||||| |||||||||||amh  a624.16 a977-287-236-6 aخليل إبراهيم واكد bالقاهرة: دار الكتب العلمية c2005 a3 afoundation design earth retaining structures