00497nam a2200133Ia 4500008004100000010001200041040001700053082002300070100002200093245011000115260003200225300001500257650009100272190328s9999||||xx |||||||||||||| ||und||  a59-8560  aNITILcNITIL  221sta624.1bS257E  aSanders, George A 0aEstimating structural steelbincluding structural aluminium and miscellaneous materialscGeorge A Sanders  aNew YorkbMcGraw-Hillc1959  axiv, 274p.  astructural steel industry; Steel, Structural; Structural engineering; Garders; Welding