00831cam a22002651a 4500001001300000003000400013005001700017008004100034010001700075035002000092040002600112042001200138050002200150070002100172072000900193100004700202245008100249260008900330300002000419440004800439500001700487504002500504650001900529999001700548agr60000382 DLC20260227111020.0850621s1960    dcu      bs  f000 0 eng    aagr60000382   a(OCoLC)12185365  aDLCcIMolDdDNALdDLC  apremarc00aS21b.A74 no. 2310 a1bAg84Ab no.2310 aN2001 aCsorba, Julius J.q(Julius Joseph),d1924-10aFarm tractors :btrends in type, size, age and use /c[by Julius J. Csorba].  aWashington, D.C. :bAgricultural Research Service, U.S. Dept. of Agriculture,c1960.  a16 p. ;c26 cm. 0aAgriculture information bulletin ;vno. 231  aCover title.  aBibliography: p. 16. 0aFarm tractors.  c11744d11744