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Titolo |
Cycling of mineral nutrients in agricultural ecosystems : First international environmental symposium of the Royal Netherlands Land Development Society (Koninkilijke Nederlandsche Heide Maatschappij); cosponsored by the international association for ecology(INTECOL) and elsevier scientific publishing company. Held in Amsterdam, The Netherlands, May 31-stJune 4th, 1976 / M. J. Frissel (Editor) ; With contributions by: J. P. N. Damen...[et al.] |
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