Proc. of the First Internat. Symp. on the Application of Electro-Ultrafiltration (EUF) in Agricultural Producion, organized by the Hungarian Min. of Agr. and the Central Res. Inst. for Chemistry of the Hungarian Acad. of Sciences, Budape
(1982)
Proceedings of the Internat. seminar on energy conservation and use of solar and other renewable energies in agriculture, horticulture and fishculture, held at the Polytechnic of Central London, 15-19 September 1980
(1981)
