00845cam a22002531  4500001001300000003000400013005001700017008004100034010001700075035002000092040002300112042001200135050002600147082001500173110004800188245007100236260004800307300003000355490002700385650003900412650004500451740002600496810006900522l  56000144 DLC20260227111544.0850805s1956    dcu          f000 0 eng    al  56000144   a(OCoLC)12349205  aDLCcGASUdAUdDLC  apremarc00aHD8051b.A62 no. 1200  a338.4766911 aUnited States.bBureau of Labor Statistics.10aMan-hours per unit of output in the basic steel industry, 1939-55.  aWashington,bU.S. Govt. Print. Off.,c1956.  aiv, 40 p.billus.c27 cm.1 aIts Bulletinvno. 1200 0aLabor productivityzUnited States. 0aSteel industry and tradezUnited States.0 aBasic steel industry.1 aUnited States.bBureau of Labor Statistics.tBulletinvno. 1200.