000 00294nam a2200109Ia 4500
008 220204s9999 xx 000 0 und d
082 _a69.035.4
_bPAR
100 _aParker, A D
245 0 _aPlanning and estimating underground construction
260 _aNew York
_bMcGraw Hill
_c1970
942 _cBK
999 _c25679
_d25679