000 00440nam a2200181Ia 4500
008 220421s9999||||xx |||||||||||||| ||und||
020 _c150
_a8180140113
040 _aET
082 _a385 GUP B
100 _aGupta, B.L.;
245 0 _aRailway engineering
250 _a3rd ed.
260 _bStandard Publishers
_aDelhi
_c2010
300 _a2.421p.
650 _aCivil Engineering
_99968
700 _aGupta, Amit
_95374
942 _cBK
999 _c47766
_d47766