TY - BOOK AU - Duggal,S .K. TI - Design of steel structures SN - 9780070260689 U1 - 624.1821 DUG 20 PY - 2009/// [reprinted 2013] CY - New Delhi PB - Tata McGraw-Hill KW - Building, Iron and steel KW - Structural design KW - Load factor design N1 - Includes index; Includes bibliographical references and index ER -