Agricultural ecosystems : Unifying concepts - Richard Lowrance; Benjamin R. Stinner Garfield J. House (New York John Wiley and Sons, 1984)
Richard Lowrance; Benjamin R. Stinner & Garfield J. House: Agricultural ecosystems : Unifying concepts. New York. John Wiley and Sons, 1984. 0-471-87888-x--(630.2745LOW)
ENGLISH