Energy conservation and use of renewable energies in the bio-industries : proceedings of the International Seminar on Energy Conservation and the Use of Solar and Other Renewable Energies in Agriculture, Horticulture and Fishculture, held at The Polytechnic of Central London, 15-19 September 1980
Horticulture and Fishculture International Seminar on Energy Conservation and the Use of Solar and Other Renewable Energies in Agriculture
Bok Språk ikke angitt 1981