000			00515nam a22001937a 4500
999			_c60686 _d60686
005			20200831104554.0
008			200831b ||||| |||| 00| 0 eng d
020			_a9789380117751
082			_a629.136 S27T
100			_aSeetharaman S.
245			_aTunnel and Airport Engineering
260			_aDelhi _bUmesh Publications _c2012
300			_ap.238
650			_bRole of Geology in Tunnels
650			_bTunnelling Equipement
650			_bAirport Runway
650			_bAir traffic Control
942			_cDBK