1. United States Industrial Electric Motor Systems Market Opportunities Assessment, US Department of Energy, December 1998. Can be downloaded at: https://www.energy.gov/eere/amo/downloads/united-states-industrial-electric-motor-systems-market-opportunities-assessment
2. T. Dahl, V. Patel, Chapter 14: Selecting and purchasing pumps, in Pump Handbook, 4th edn., (McGraw Hill Book Co., New York, 2008) ISBN 978-0-07-146044-6
3. S.L. Dixon, C.A. Hall, Fluid Mechanics and Thermodynamics of Turbomachinery, 7th edn. (Elsevier, Inc., 2014) ISBN 978-0124159549
4. T. Dahl, J. Ochs, Preliminary Pump Selection and Configuration in an Engineered-to-Order Environment. ASME Fluids Engineering Division Summer Meeting, FEDSM’97. June 22–26, 1997. FEDSM97-3336. Can be downloaded at: https://intelliquip.com/wp-content/uploads/2018/05/FEDSM97-3336.pdf
5. T. Dahl, The Evolution of the Pump Business in the Information Age. Proceedings of the ASME FEDSM’01, 2001 ASME Fluids Engineering Division Summer Meeting, May 29–June 1, 2001. FEDSM2001-18069. Can be downloaded at: https://intelliquip.com/wp-content/uploads/2018/05/FEDSM2001-18069-1.pdf