000 00321nam a2200121Ia 4500
008 220204s9999 xx 000 0 und d
082 _a621.3
_bTRA
100 _aTraister, John E
245 0 _aConstruction electrical contracting
260 _aNew York
_bJohn Wiley
_c1978
650 _aElectrical contracting
942 _cBK
999 _c32363
_d32363