000 00308nam a2200121Ia 4500
008 220201s1968 xx 000 0 eng d
082 _a652.3
_bBUReference
100 _aBurke (W.W) and watts
245 0 _aWork measurement in typewriting .
260 _bIssac Pitman
_c1968
300 _a138
942 _2ddc
_01
999 _c4133
_d4133