00348cam a22001097a 4500008004000000082001800040100001800058245004600076260005000122300000800172700005800180180718b1960   xxu||||| |||| 00| 0 eng d  aT25084 Un3p/8  aWelford, A.T.  aErgonomics of automationcby A.T. Welford  aLondonbHer Majesty's Stationery Officec1960  a60p  aU.K. Department of Scientific and Industrial Research