000 002880000a22001210004500
245 _aMeasured daywork : report
110 _aGreat Britain, Office of Manpower Economics
260 _aLondon
_bHMSO
_c1973
300 _a125 p.
080 _a331.2(42)
_bG7
041 _aEN
942 _cBK
999 _c105855
_d105855