1984 journal article
Genetic and environmental variation of hoof characteristics of Holstein cattle
Journal of Dairy Science, 67(12), 2986.
By: M. Hahn, B. McDaniel & J. Wilk
1980 journal article
Studies of genetic and environmental characteristics of hooves of dairy cattle
Dissertation Abstracts International. B, Sciences and Engineering, 40(10), 4578.
By: M. Hahn