000 00484nam a2200205Ia 4500
100 _aAHUJA T D AND BIRDI G S
650 _aTunnel Engineering
365 _cRS
365 _d1
942 _cPBK
654 _aRoads
654 _aRailways
654 _aBridges
654 _aTunnel
654 _aEngineering
654 _aTunnel Engineering
245 _aRoads Railways Bridges and Tunnel Engineering
260 _bStandard Book House
_c1978
_aNew Delhi
300 _aXVI+584p
999 _c25953
_d25953