000 00290nam a2200133Ia 4500
654 _aCIVI
100 _aHammond.R.
250 _a1st Ed.
245 _aTunnel Engineering.(1959).
260 _bHarrap and Company
_c1963
082 _bHAM
_a25C-327
300 _a332p.
999 _c16523
_d16523
300 _c22 cm.
655 _aC-21
041 _aeng
546 _aText in English