Goodwin, Derek H. The production and management of sheep : / Goodwin, Derek H. - 1a ed., 1a reimpr. - Londres ; Hutchinson Educational , 1974 - 2006 p. : il. ; cuad. ; gráf. ; 22 cm. : ISBN: 91073111 Subjects--Index Terms: OVEJAS PRODUCCION OVINA Universal Decimal Class. No.: 636