1. World Pumps, No. 443, (August 2003), p. 5.
2. S. Berezin, ‘Submersible pumps for wastewater applications’, World Pumps, No. 480, (September 2006), p. 26.
3. Know and Understand Centrifugal Pumps;Bachus,2003
4. Pump and Pumping Stations;Turk,1976
5. Pumping stations with centrifugal pumps;Karelin,1983