00370nam a2200133Ia 4500008004100000041000800041082001400049100001400063245005200077250001500129260005400144650002200198700001600220230711s9999||||xx |||||||||||||| ||und||  aENG  a624bAH-R  aAhuja,T.D 0aRoads, Railways, Bridges and Tunnel engineering  a11th . Ed.  c1993aNew DelhibStandard Publishing Distributors  aCivil Engineering  aG. S. Birdi