Isermeyer, F. (2010). Landbauforschung vTI Agriculture and Forestry Research: Vol. 60 N. 3.
Tohutoru Kātū Chicago (17th ed.)Isermeyer, Folklhard. Landbauforschung VTI Agriculture and Forestry Research: Vol. 60 N. 3. 2010.
Tohutoro MLA (9th ed.)Isermeyer, Folklhard. Landbauforschung VTI Agriculture and Forestry Research: Vol. 60 N. 3. 2010.
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