R. McGowan, Kenna, J., y Hodgkin, J.,
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J. van Meel, Smulders, P., Oldenkamp, H., van de Nat, A., y Lysen, E.,
«Field testing of water pumping windmills by CWD : paper of the 6th European wind energy conference, October 1986, Rome», presented at the 1986-01-01, Eindhoven, The Netherlands, 1986, p. 8 p.: fig.
B. Ratcliffe,
The performance and selection of pressure reducing valves. Marlow, UK: Water Research Centre, 1986, p. 2 vol. (61, 80 p.): fig., photogr.
R. Zimba,
«Performance evaluation of selected waste stabilization ponds in Zambia», vol. no. 21. Tampere University of Technology, Tampere, Finland, p. 113 p.: fig., tab., 1986.
P. Johansson,
«Plungerseals». Lund University, Institute of Technology, Department of Environmental Engineering, Lund, Sweden, p. 17 p., 1986.
J. Reynolds,
«Pompe a main Wavin». WAVIN, Dedemsvaart, The Netherlands, p. 13 p.: fig., tab., 1986.
G. B. Consumers' Harpenden,
«Test procedures for testing and development of handpumps». Consumers' Association Harpenden Rise Laboratory, Harpenden, UK, p. 13 p.: fig., 1986.