Beekman, P.

Beekman, P. & de Jongh, J., 1989. Design rules for fatigue life of PVC rising mains and stainless steel pumprods of hand pumps, Eindhoven, The Netherlands: Eindhoven University of Technology. Available at: https://es.ircwash.org/sites/default/files/232.2-89DE-6456.pdf.