Berg, P. (1986). Nitrifier populations and nitrification rates in agricultural soil. Swedish University of Agricultural Sciences, Dept. of Microbiology.
Citace podle Chicago (17th ed.)Berg, Per. Nitrifier Populations and Nitrification Rates in Agricultural Soil. Uppsala: Swedish University of Agricultural Sciences, Dept. of Microbiology, 1986.
Citace podle MLA (8th ed.)Berg, Per. Nitrifier Populations and Nitrification Rates in Agricultural Soil. Swedish University of Agricultural Sciences, Dept. of Microbiology, 1986.
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