Cahoon, LB; Lindquist, DG; Clavijo, IE; Tronzo, CR (1992). "Sampling small invertebrates at the sediment-water interface". In: Cahoon, LB. (Ed.) Proceedings of the American Academy of Underwater Sciences Twelfth Annual Scientific Diving Symposium "Diving for Science 1992". Held September 24–27, 1992 at the University of North Carolina at Wilmington, Wilmington, NC. American Academy of Underwater Sciences. Archived from the original on July 5, 2013. Retrieved 2013-04-05.{{cite journal}}: CS1 maint: unfit URL (link)
fao.org
"Water lifting devices". Food and Agriculture Organization (FAO) of the United Nations. Retrieved 17 April 2021.
patents.google.com
Patent Application number: 11/654,448, January 17, 2007, Inventor: Masao Kondo
