Renewable energy sources for the 21st century : collected papers from Energy-EYE plus Fifty an international conference held in Tynemouth, U.K., 17-18 November 1987, to mark the European Year of the Environment /
Energy-EYE plus Fifty.Conference(1987 :Tynemouth, England)
Hill, R.(Robert),1937-
O'Keefe, P.
Pearsall, N. M.
Bristol : Hilger,
1988.
Renewable energy sources.