1. Abrams P, Blaivas J, Stanton S and Andersen J Standardisation of Terminology o Lower Urinary Tract Function. Scand J. Urol Nephrol. (1988), Suppl. 114.
2. Bates CP The unstable bladder, Clinics in Obstetrics and Gynaecology (1978) 5: 1: 109–122.
3. Bates P, Bradley WE, Glen E, Hansjorg M, Rowan D, Sterling A and Hald TInternational Continence Society First Report on the Standardisation of Terminology of Lower Urinary Tract Function —(1975)
4. Bush MB, Petros PEP, Barrett- Lennard BR On the flow through the human urethra Biomechanics (1997) 30: 967–969.
5. Constantinou CE and Govan DE Contribution and timing of transmitted and generated pressure components in the female urethra. Female Incontinence,(1981), Alan R Liss New York, 113–120.