Johansson, Ivar, 1891- Genetics and animal breeding / Ivar Johansson and Jan Rendel; tra nslated from the Swedish by Michael Taylor. - San Francisco : W.H. Freeman, 1968. - xi, 489 p. : ill. ; 26 cm. Includes bibliographies. Subjects--Topical Terms: Livestock. Dewey Class. No.: TVET L JOH