McMahon, Glenda Chatterton, Ken Different types of reciprocating displacement pumps Different types of reciprocating displacement pumps WEDC;Water for low-income communities;Technical;Pumps;International and Development Communication 2019-02-20
    https://repository.lboro.ac.uk/articles/figure/Different_types_of_reciprocating_displacement_pumps/7712861
10.17028/rd.lboro.7712861.v1