Kayombo, W.R.C.

Kayombo, W.R.C., 1981. Pipe materials in transmission mains, (Water supply and sewerage publications / Tampere University of Technology no. 6) Tampere, Finland: Tampere University of Technology, Dept. of Civil Engineering. Available at: https://es.ircwash.org/sites/default/files/223-81PI.pdf.