000 00290nam a2200121Ia 4500
008 220201s1975 xx 000 0 eng d
082 _bZEH
100 _aZehner, John R
245 0 _aBuilder's guide to contracting
260 _aNew York
_bMcGraw Hill
_c1975
300 _a269
942 _2ddc
999 _c20322
_d20322