Wilkinson, J M Beef production from grassland / by J. M. Wilkinson and J. C. Tayler - London : Butterworths, 1973 - 118 p. ; gráfs. - . LCCN: 166426 Subjects--Topical Terms: Ganado de carne--Mejoramiento I. Tayler, J. C. Dewey Class. No.: 636.213 W55