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_aAdvances in nitrogen cycling in agricultural _becosystems: proceedings of the symposium on advances in nitrogen cycling in agricultural ecosystems held in Brisbane, Australia, 11-15 th May, 1987 _c/edited by J.R.Wilson. |
260 |
_aWallingford _bC.A.B. International _c1988 |
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_axi,451p. _c24 cm. |
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_a631.416 _bA944 |
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