P. L. Fraenkel

Tidal stream turbine development

D. Macnaughton, P. L. Fraenkel, O. F. Paish, 1993 .

Marine current turbines: Pioneering the development of marine kinetic energy converters

P. L. Fraenkel, 2007 .

The UNDP World Bank Solar Pump Project — Preparing for Phase II

P. L. Fraenkel, D. E. Wright, M. A. S. Malik, 1982 .

Applications for wind systems in developing countries

P. L. Fraenkel, 1996 .

Wind power for pumping: The development of the ITP windpump

P. L. Fraenkel, F. J. Crick, P. D. Cowley, 1999 .