000 00290nam a2200109Ia 4500
999 _c1214
_d1214
100 _aWhitehead A C
245 _aPlanning Estimating and Ratefixing for Production Engineers and Students
250 _a3
260 _c1939
_aLondon
_bSIR Isaac Pitman and Sons
300 _axi+310
942 _cBK