000 00289nam a2200121Ia 4500
008 221102s9999 xx 000 0 und d
100 _aSpeight, H
245 0 _aEconomics & industrial efficiency
250 _a2nd ed.
260 _bMacmillan
_aNew York
_c1967
300 _a266 p.
942 _cBK
999 _c406
_d406