1. The induction of breeding activity in lactating ewes during anoestrus;Allen;J. Reprod. Fertility.,1960
2. Varkensfokkerij en K.I;Allen;Veeteelt en Zuivelberichten,1961
3. Goat semen varies with season of year;Allen;Rep. Bur. Anim. Ind. U.S. Dept. Agri.,1952
4. Recherches sur le contrôle hypothalamique de la fonction gonadotrope hypophysiare chez le canard;Assenmacher;Arch. Anat. Microscop. Morphol. Exp.,1958
5. Effect of scrotal insulation on semen of Hereford bulls;Austin;J. Animal Sci.,1961