000 00287nam a2200121Ia 4500
008 160710s1966 xx 000 0 und d
082 _a621.9 WAL
100 _aWALKER ,W.F.
245 _aENGINEERING PRODUCTIVITY
260 _bB. I.PUBLICATIONS
_c1966
300 _a320
942 _2ddc
_cB
999 _c33157
_d33157