000 00296nam a2200121Ia 4500
654 _aCIVI
100 _aRicharson, & Mayao
250 _a1st Ed.
245 _aPractical Tunnel Drainage
260 _bMcGraw Hill International Book Company
_aNew York
_c1953
082 _bRIC
999 _c20521
_d20521
655 _aC-21
546 _aText in English
041 _aeng
300 _c23 cm.