European Association for Potato Research. (1970). Potato Research. European Association for Potato Research.
Chicago-referens (17:e uppl.)European Association for Potato Research. Potato Research. Wageningen, Holanda: European Association for Potato Research, 1970.
MLA-referens (8:e uppl.)European Association for Potato Research. Potato Research. European Association for Potato Research, 1970.
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