J.G. Bohlen; J.P. Held and M.O. Sanderson (December 1980). "The Male Orgasm: Pelvic Contractions Measured by Anal Probe". Archives of Sexual Behavior. 9 (6): 503–521. doi:10.1007/BF01542155. ISSN0004-0002. PMID7458658. S2CID32523063.
Z. Janczewski; L. Bablok (1985). "Semen Characteristics in Pubertal Boys: I. Semen Quality after First Ejaculation". Archives of Andrology. 15 (2–3): 199–205. doi:10.3109/01485018508986912. PMID3833078.
J.G. Bohlen; J.P. Held and M.O. Sanderson (December 1980). "The Male Orgasm: Pelvic Contractions Measured by Anal Probe". Archives of Sexual Behavior. 9 (6): 503–521. doi:10.1007/BF01542155. ISSN0004-0002. PMID7458658. S2CID32523063.
Z. Janczewski; L. Bablok (1985). "Semen Characteristics in Pubertal Boys: I. Semen Quality after First Ejaculation". Archives of Andrology. 15 (2–3): 199–205. doi:10.3109/01485018508986912. PMID3833078.
J.G. Bohlen; J.P. Held and M.O. Sanderson (December 1980). "The Male Orgasm: Pelvic Contractions Measured by Anal Probe". Archives of Sexual Behavior. 9 (6): 503–521. doi:10.1007/BF01542155. ISSN0004-0002. PMID7458658. S2CID32523063.
Paul Byerly; Lori Byerly. "Better sex for him". The Marriage Bed: Sex and Intimacy for Married Christians. Archived from the original on 2006-11-05. Retrieved 2008-06-16.
urbandictionary.com
"busting a nut". Urban Dictionary. 27 July 2003. Retrieved 2008-07-07.
web.archive.org
Paul Byerly; Lori Byerly. "Better sex for him". The Marriage Bed: Sex and Intimacy for Married Christians. Archived from the original on 2006-11-05. Retrieved 2008-06-16.
J.G. Bohlen; J.P. Held and M.O. Sanderson (December 1980). "The Male Orgasm: Pelvic Contractions Measured by Anal Probe". Archives of Sexual Behavior. 9 (6): 503–521. doi:10.1007/BF01542155. ISSN0004-0002. PMID7458658. S2CID32523063.