Pakistan Engineering Congress : 72nd Annual Session 2011-2013 PROCEEDINGS, Vol-73 Engr. Ch. Ghulam Hussain - Volume-73 - Lahore PEC c2011. - x, 410 p. : ill. ; 29 cm. ISBN: 9789696030195 Subjects--Topical Terms: --General Dewey Class. No.: 050 GHU