International Symposium on Soil Biology and Conservation of the Biosphere Sopron & Szegi, J. (1987). Proceedings of the 9th International Symposium on Soil Biology and Conservation of the Biosphere: [org. by the Hungarian Socity of Soil Science and held at the Sopron Univ. of Forestry and timber Industry, August 27 - 30, 1985]. Akad. Kiadó.
Chicago-Zitierstil (17. Ausg.)International Symposium on Soil Biology and Conservation of the Biosphere Sopron und József Szegi. Proceedings of the 9th International Symposium on Soil Biology and Conservation of the Biosphere: [org. by the Hungarian Socity of Soil Science and Held at the Sopron Univ. of Forestry and Timber Industry, August 27 - 30, 1985]. Budapest: Akad. Kiadó, 1987.
MLA-Zitierstil (9. Ausg.)International Symposium on Soil Biology and Conservation of the Biosphere Sopron und József Szegi. Proceedings of the 9th International Symposium on Soil Biology and Conservation of the Biosphere: [org. by the Hungarian Socity of Soil Science and Held at the Sopron Univ. of Forestry and Timber Industry, August 27 - 30, 1985]. Akad. Kiadó, 1987.