McMahon, Glenda Chatterton, Ken Galvanised steel pipe and coupling Galvanised steel pipe and coupling WEDC;Emergency Water Supply;Technical;Diagram;International and Development Communication 2019-05-08
    https://repository.lboro.ac.uk/articles/figure/Galvanised_steel_pipe_and_coupling/7874261
10.17028/rd.lboro.7874261.v1