000 00258nam a2200097Ia 4500
008 170619s9999 xx 000 0 und d
100 _aGupta- B.L
245 0 _aRoad- Railways- Bridges- Tunnels and Harbour Duck Engineering
260 _bStandard PUB
260 _c2012
546 _aENGLISH
999 _c21623
_d21623