1. Induction twinning in beed heifers by bilateral embryo transfer;Anderson;J. Anim. Sci.,1977
2. Methods of producing twins in cattle;Anderson;Theriogenology,1978
3. Induction of tein pregnancy in cattle;Gordon;World Rev. Anim. Prod.,1975
4. Cattle twinning by the egg transfer approach. In egg transfer in cattle;Gordon,1976
5. Towards cattle twins by eggs transfer;Gordon;World Rev. Animal Prod.,1978