000 00338pam a2200133a 44500
008 140414b1989 xxu||||| |||| 00| 0 eng d
082 _ad425
_bRAJ
100 _aIYENGAR, S R K
245 _aTunnel Engineering
_c
260 _aNew Delhi
_bSundar Pub.
_c1989
650 _aTUNNEL ENGINEERING
690 _aCIVIL ENGINEERING
906 _a31744
999 _c30249
_d30249