International Symposium "Humus et Planta" Prague, Czech Republic, & Kub�at, J. (1992). Humus, its structure and role in agriculture and environment: Proceedings of the 10th Symposium Humus et Planta, held in Prague, in August 19-23, 1991. Elsevier ; Distributors for the U.S. and Canada, Elsevier Science Pub. Co..
Cita Chicago Style (17a ed.)International Symposium "Humus et Planta" Prague, Czech Republic, y J. Kub�at. Humus, Its Structure and Role in Agriculture and Environment: Proceedings of the 10th Symposium Humus Et Planta, Held in Prague, in August 19-23, 1991. Amsterdam ; New York : New York, NY, USA: Elsevier ; Distributors for the U.S. and Canada, Elsevier Science Pub. Co., 1992.
Cita MLA (8a ed.)International Symposium "Humus et Planta" Prague, Czech Republic, y J. Kub�at. Humus, Its Structure and Role in Agriculture and Environment: Proceedings of the 10th Symposium Humus Et Planta, Held in Prague, in August 19-23, 1991. Elsevier ; Distributors for the U.S. and Canada, Elsevier Science Pub. Co., 1992.