00461nam a2200145Ia 4500008004100000020002200041041000800063082001400071100001400085245011100099250001300210260006200223300000800285650002200293230711s9999||||xx |||||||||||||| ||und|| a978-81-7476-611-3 aENG a692bDU-E aDutta,B.N 0aEstimating and costing in Civil Engineering (theory and practice including specifications and valuations ) a27th Ed. c2012aNew DelhibUBS Publishers and Distributors Pvt.Ltd. a898 aCivil Engineering