Leigh, G. J. (2004). The world's greatest fix: A history of nitrogen and agriculture. Oxford University Press.
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Chicago-čujuhus (17. p.)
Leigh, G. J. The World's Greatest Fix: A History of Nitrogen and Agriculture. Oxford ; New York: Oxford University Press, 2004.
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MLA-čujuhus (9. p.)
Leigh, G. J. The World's Greatest Fix: A History of Nitrogen and Agriculture. Oxford University Press, 2004.
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