1. Ahl, A.S., The Role of Vibrissae in Behavior: A Status Review, Vet. Res. Commun., 1986, vol. 10, no. 4, pp. 245–268.
2. Arshavskii, I.A., The Biogenetic Low in the Context of Ontogenetic Periodicity, Zh. Obshch. Biol., 1955, vol. 16, no. 6, pp. 458–479.
3. Aspiz, M.E., Recovery of Hair and Skin Glands In Mammals, Dokl. Akad. Nauk SSSR, 1949, vol. 67, no. 6, pp. 1163–1166.
4. Bocharov, Yu.S., Origin of Hairless Epidermis Regions in Human Extremities, in Tez. dokl. Vtorogo soveshch. embriologov SSSR (Proc. Second Conf. of USSR Embryologists), Moscow: Mosk. Gos. Univ., 1957, p. 23.
5. Bocharov, Yu.S., Keratinization Mechanism and Problems of Phylogeny of Skin in Vertebrates, Tr. VI Vsesoyuzn. s’ezda anatomov, gistologov i embriologov (Proc. VI All-Russian Conf. of Anatomists, and Embryologists), 1961, vol. 1, pp. 402–403.