Gerstenburg, T. C. (1990). „Erection and ejaculation in man. Assessment of the electromyographic activity of the bulbocavernosus and ischiocavernosus muscles”. British Journal of Urology65 (4), 395–402. o. DOI:10.1111/j.1464-410X.1990.tb14764.x. PMID 2340374.
Gerstenburg, T. C. (1990). „Erection and ejaculation in man. Assessment of the electromyographic activity of the bulbocavernosus and ischiocavernosus muscles”. British Journal of Urology65 (4), 395–402. o. DOI:10.1111/j.1464-410X.1990.tb14764.x. PMID 2340374.