000 00292nam a2200133Ia 4500
654 _aCIVI
100 _aRichardson.H.W. & Mayo.R.S.
250 _a1st Ed.
245 _aPractical Tunnel Driving.(1941).
260 _bkognet
_c1956
082 _bRIC
300 _a210p.
999 _c39079
_d39079
655 _aC-21
546 _aText in English
041 _aeng
300 _c22 cm.