Agricultural ecosystems : unifying concepts - Cole, C. Vern; Coleman, David C.; Cox, George W. 1935-; Crossley, D. A.; Dyer, Melvin I.; Elliott, Edward T.; Hart, Robert D.; House, Garfield J.; Jackson, Wes; Krummel, John R.; Langdale, George; Lowrance, Richard; et al. (New York : A Wiley-Interscience Publication, John Wiley & Song, 1984)
Keywords: ECOLOGIA AGRICOLA