McMahon, Glenda Chatterton, Ken Components of a total pumping head Components of a total pumping head WEDC;Technical;Diagram;Pumps;Water;Handpump;International and Development Communication 2019-04-30
    https://repository.lboro.ac.uk/articles/figure/Components_of_a_total_pumping_head/7981949
10.17028/rd.lboro.7981949.v1