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
73 630.7 9RB409 O19064
United States. , Agricultural Experiment Station. Department ofEconomics and Sociology New Procedures in Estimating Feed Substitution Rates and in Determinig Economic Efficiency in Pork Production Ames, Iowa: Agricultural Experiment Station, 1954. 805- 976 p. - (Research Bulletin 409) * Reports * Series