000 00321nam a2200145Ia 4500
008 220421s9999||||xx |||||||||||||| ||und||
020 _c175/-
040 _aET
100 _aGUPTA B.L
245 0 _aHIGHWAYS & BRIDGE ENGINEERING
260 _bSTANDARD PUB.
_aNEW DELHI
300 _a-
500 _a29930
942 _cBK
999 _c35945
_d35945