000 00324nam a2200145Ia 4500
008 220421s9999||||xx |||||||||||||| ||und||
020 _c500
040 _aET
100 _aGUPTA, B.L.
245 0 _aROADS, RAILWAYS, BRIDGES
260 _bSTANDARD PUBLICATION
_aDELHI
300 _a5.126
500 _a52972
942 _cBK
999 _c58986
_d58986