McMahon, Glenda Shaw, Rod Ratio of maximum flow to average flow Ratio of maximum flow to average flow WEDC;Technical;Diagram;Sewerage;Sanitation;Pipes;International and Development Communication 2019-05-07
    https://repository.lboro.ac.uk/articles/figure/Ratio_of_maximum_flow_to_average_flow/8068700
10.17028/rd.lboro.8068700.v1