Approved practices in dairying /
Juergenson, Elwood M.
Approved practices in dairying / Elwood M. Juergenson and W. Mortinson. - Illinois : The Interstate, c1972. - 351 pages : Illustration.
Approved practices in dairying / Elwood M. Juergenson and W. Mortinson. - Illinois : The Interstate, c1972. - 351 pages : Illustration.