Online Public Access Catalogue (OPAC)Library,Documentation and Information Science Division
“A research journal serves that narrow
borderland which separates the known from the unknown”
-P.C.Mahalanobis
73 SD:338.14 SB(419) O17357
U. S. Department of Agriculture, . Economic Research Service Farm machinery and equipment : number and value of shipments use, 1935 - 39 to 1966 Washington: U. S. Department of Agriculture, 1968 25 p. includes tables; * Strickler, Paul E.Smith, Helen V. * Title