Individuel animal as the unit in profitable dairying
Smith, G.A.
Individuel animal as the unit in profitable dairying - Geneva 1910 - 1-16 p. - New York Agricultural Experiment Station. Bulletin No. 322 .
Individuel animal as the unit in profitable dairying - Geneva 1910 - 1-16 p. - New York Agricultural Experiment Station. Bulletin No. 322 .