00723cam a22002291  4500001001300000003000400013005001700017008004100034010001700075035001900092040004300111042001200154050002100166110004800187245007300235260002400308300003300332500001700365650006900382650002500451999001700476l  62000019 DLC20260227111546.0830921s1962    dcua          000 0 eng c  al  62000019   a(OCoLC)9933844  aU.S. Dept. of Labor. LibrarycPBLdDLC  apremarc00aHD9565b.A5 19621 aUnited States.bBureau of Labor Statistics.10aIndexes of output per man-hour petroleum refining industry, 1919-59.  a[Washington]c1962.  ai l., 20 p.bdiagrs.c27 cm.  aCover title. 0aPetroleum industry and tradexLabor productivityzUnited States. 0aPetroleumxRefining.  c37067d37067