Hellgren, M. (1995). Gremmeniella abietina: Disease biology and genetic variation within Fennoscandia. Sveriges lantbruksuniversitet.
Chicago Style (17th ed.) CitationHellgren, Magnus. Gremmeniella Abietina: Disease Biology and Genetic Variation Within Fennoscandia. Uppsala: Sveriges lantbruksuniversitet, 1995.
MLA (8th ed.) CitationHellgren, Magnus. Gremmeniella Abietina: Disease Biology and Genetic Variation Within Fennoscandia. Sveriges lantbruksuniversitet, 1995.
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