00322nam a2200109Ia 4500082002800000100001900028245008900047260004900136300001700185500000500202700000500207  a331.137810973bSt855.TE  aStigler, G. J.  aTrends in employment in the service industriesba study by the N. B. E. R., New York  aNew JerseybPrinceton University Pressc1956  axviii, 169p.  a  a