1. heterogeneity of ruminant immunoglobulins;Aalund,1968
2. Immunogenetics of two immunoglobulin allotypes;Blakeslee;J. Immun.,1971
3. Bovine immunoglobulin allotypes;Blakeslee,1971
4. Bovine immunoglobulins: a review;Butler;J. Dairy Sci.,1969
5. A concept of humoral immunity among ruminants and an approach to its investigation;Butler,1981