McMahon, Glenda Shaw, Rod Simple branches and looped networks Simple branches and looped networks<div><br></div> WEDC;Technical;Diagram;Sewerage;International and Development Communication 2019-05-02
    https://repository.lboro.ac.uk/articles/figure/Simple_branches_and_looped_networks/8068352
10.17028/rd.lboro.8068352.v1