00445nam a22001817a 4500003000800000008004100008020001800049020001500067041001200082082001800094100001700112245003100129250000900160260003100169300002100200650002300221650001900244WUSLLib181017b           ||||| |||| 00| 0 eng d  a9780070260689  a0070260680  aEnglish  a624.1821bDUG  aDuggal, S K.  aDesign of steel structures  a3rd.  aChennaibMcGraw-Hillc2009  axix, 839pc23cm.  a Civil engineering  aIron and steel