TY - GEN AU - Duggal,S K TI - Design of steel structures SN - 978-0-07-026068-9 PY - 2009/// CY - New Delhi PB - McGraw-Hill KW - Steel KW - Structures UR - http://mcgrawhilleducation.pdn.ipublishcentral.com/pdfreader/design-steel-structures ER -