Krider, J. L. Swine production - 4 ed. - New York : McGraw-Hill, 1971 - 528 p. : ilus. - McGraw-Hill publications in the agricultural sciences . - McGraw-Hill publications in the agricultural sciences . LCCN: 29318 Subjects--Topical Terms: Ganado porcino--Producción. Dewey Class. No.: 636.408 / K7 1971