Hayward, J. (1968). Measurement of Soil Loss From Fractional Acre Plots. Agricultural Engineering Institute.
Chicago-referens (17:e uppl.)Hayward, J.A. Measurement of Soil Loss From Fractional Acre Plots. New Zealand: Agricultural Engineering Institute, 1968.
MLA-referens (9:e uppl.)Hayward, J.A. Measurement of Soil Loss From Fractional Acre Plots. Agricultural Engineering Institute, 1968.
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