1. Erection and Ejaculation in Man. Assessment of the Electromyographic Activity of the Bulbocavernosus and Ischiocavernosus Muscles
2. Kinsey A C, Pomeroy W B, Martin C F, Gebhard P H. Sexual behavior in human female, A C Kinsey, W B Pomeroy, C F Martin. WB Saunders, Philadelphia 1953; 759–761