Helder, J. (1994). Tuber formation in the wild potato species solanum demissum lindl. Wageningen Agricultural University.
Chicago Edition CitationHelder, J. Tuber Formation in the Wild Potato Species Solanum Demissum Lindl. Wageningen: Wageningen Agricultural University, 1994.
MLA Edition CitationHelder, J. Tuber Formation in the Wild Potato Species Solanum Demissum Lindl. Wageningen Agricultural University, 1994.
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