000 00310nam a2200133Ia 4500
654 _aCIVI
100 _aSaxena.S.C.
250 _a1st Ed.
245 _aTunnel Engineering.(1977).
260 _bDhanpat Rai Publishing Company (P) Ltd.
_c1977
082 _bSAX
_a25C-610
300 _a175p.
999 _c7659
_d7659
041 _aeng
655 _aC-21
546 _aText in English
300 _c22 cm.