TY - BOOK AU - Duggal, S K TI - Design of Steel Structures SN - 9780070260689 U1 - 624.1821 PY - 2009///, 2012 CY - New Delhi PB - Tata McGraw-Hill KW - Steel Structures KW - Structural Engineering KW - Architecture KW - Civil KW - Polytechnic N1 - Civil ER -