Pendergrass, P. B.; Reeves, C. A.; Belovicz, M. W.; Molter, D. J.; White, J. H. (1996). The shape and dimensions of the human vagina as seen in three-dimensional vinyl polysiloxane casts. Gynecologic and Obstetric Investigation. 42 (3): 178—182. doi:10.1159/000291946. PMID8938470.
Pendergrass, P. B.; Reeves, C. A.; Belovicz, M. W.; Molter, D. J.; White, J. H. (2000). Comparison of vaginal shapes in Afro-American, Caucasian and Hispanic women as seen with vinyl polysiloxane casting. Gynecologic and Obstetric Investigation. 50 (1): 54—59. doi:10.1159/000010281. PMID10895030.
.Pendergrass, P. B.; Belovicz, M. W.; Reeves, C. A. (2003). Surface area of the human vagina as measured from vinyl polysiloxane casts. Gynecologic and Obstetric Investigation. 55 (2): 110—113. doi:10.1159/000070184. PMID12771458.
Kortlandt, Frederik (September 14-22 1988), Remarks on Winter's law [Архівовано 18 липня 2011 у Wayback Machine.] (PDF), Studies in Slavic and General Linguistics: Dutch Contributions to the 10th International Congress of Slavists (Sofia) 11: 387—396
Pendergrass, P. B.; Reeves, C. A.; Belovicz, M. W.; Molter, D. J.; White, J. H. (1996). The shape and dimensions of the human vagina as seen in three-dimensional vinyl polysiloxane casts. Gynecologic and Obstetric Investigation. 42 (3): 178—182. doi:10.1159/000291946. PMID8938470.
Pendergrass, P. B.; Reeves, C. A.; Belovicz, M. W.; Molter, D. J.; White, J. H. (2000). Comparison of vaginal shapes in Afro-American, Caucasian and Hispanic women as seen with vinyl polysiloxane casting. Gynecologic and Obstetric Investigation. 50 (1): 54—59. doi:10.1159/000010281. PMID10895030.
.Pendergrass, P. B.; Belovicz, M. W.; Reeves, C. A. (2003). Surface area of the human vagina as measured from vinyl polysiloxane casts. Gynecologic and Obstetric Investigation. 55 (2): 110—113. doi:10.1159/000070184. PMID12771458.
Kortlandt, Frederik (September 14-22 1988), Remarks on Winter's law [Архівовано 18 липня 2011 у Wayback Machine.] (PDF), Studies in Slavic and General Linguistics: Dutch Contributions to the 10th International Congress of Slavists (Sofia) 11: 387—396
