Stout, Thomas T. Case studies in southeast Ohio cow-calf operations - [Wooster] : Ohio Agricultural Research and Development Center, 1990 - 18 p. ; gráfs - Research bulletin ; 1186 . - Research bulletin ; 1186 . D52-166 LCCN: 4085 Subjects--Topical Terms: Becerros.Ganado vacuno--E.U.A.