000 00287cam a22000977a 4500
008 180718b1957 xxu||||| |||| 00| 0 eng d
082 _aT2531 In8
245 _aI.L.O. productivity missions to underdeveloped countries
260 _aGeneva
_bInternational Labour Office
_c1957
300 _a57+p
999 _c497690
_d497690