000 00331nam a2200133Ia 4500
008 220201s1991 xx 000 0 eng d
082 _a625
100 _aGupta,BL & Gupta, Amit
245 0 _aRoads railways bridges & tunnel engg.
250 _a4
260 _bDelhi : Standard publicaiton
_c1991
300 _a1060
942 _2ddc
999 _c84900
_d84900