Crossbreeding hogs for prok production
Lush, J.L., Shearer, P.S., Culbertson, C.c.
Crossbreeding hogs for prok production - Ames 1939 - 84-116 p. - Production Iowa Agricultural Experiment Station. Bulletin No. 380 .
Crossbreeding hogs for prok production - Ames 1939 - 84-116 p. - Production Iowa Agricultural Experiment Station. Bulletin No. 380 .