TY - BOOK AU - OWENS,GRAHAM AU - KNOWLES,PETER R. AU - DOWING,PATRICK J. TI - STEEL DESIGNERS' MANUAL / U1 - 620.0042 PY - 1994/// CY - [S.N] : PB - ELBS BLACK WELL SCIENTIFIC PUBLICATION ، KW - التحليل الرياضى KW - BUILDINGS KW - CIVIL ENGINEERING KW - STEEL STRUCTURE ER -