User : Gaius Cornelius/Hydrostatic coil pump
Mortimer, G.H.; Annable, R. (1984). "The Coil Pump" . Journal of Hydraulic Research . 22 (1). doi :10.1080/00221688409499408 . Retrieved 5 April 2011 .
Weir, Alex (2001). "Hydrostatic Coil Pump - A Possible Design for 3rd World Use" . Retrieved 5 April 2011 .
Tailer, Peter. "The Spiral Pump - A High Lift Slow Turning Pump" . Retrieved 5 April 2011 .
Anonymous (1933). "Chinese Windmill Waters Farm" . Popular Science . 122 (3). Bonnier Corporation. Retrieved 5 April 2011 .
Fraenkel, P.L. (1986). "3.6.4: Coil and Sprial Pumps" (PDF) . Water Lifting . Food and Agriculture Organization of the United Nations. ISBN 92-5-102515-0 . Retrieved 5 April 2011 .
Kassab, Sadek Z.; Naby, Ahmed A. Abdel; Basier, El Sayed I. (2006). "Performance Of Multi-Layers Coil Pump" (PDF) . Tenth International Water Technology Conference, IWTC10 2006, Alexandria, Egypt . 67 : 431–445. Retrieved 5 April 2011 .
Anonymous (1981). "Water pump produces a high turn-over" . New Scientist : 342. Retrieved 5 April 2011 .
Morgan, Peter (2003). "The story of a waterwheel" . Aquamor . Retrieved 5 April 2011 .
Morgan, Peter (1984). "A Spiral Tube Water Wheel Pump" . Blair Research Bulletin . Ministry of Health, Zimbabwe. Retrieved 5 April 2011 .