Haukioja, Erkki; Hanhimäki, Sinikka (1985). "Rapid wound-induced resistance in white birch (Betula pubescens) foliage to the geometrid Epirrita autumnata: a comparison of trees and moths within and outside the outbreak range of the moth". Oecologia. 65 (2): 223–232. Bibcode:1985Oecol..65..223H. doi:10.1007/BF00379221. PMID28310669. S2CID21068225.
Haukioja, Erkki; Hanhimäki, Sinikka (1985). "Rapid wound-induced resistance in white birch (Betula pubescens) foliage to the geometrid Epirrita autumnata: a comparison of trees and moths within and outside the outbreak range of the moth". Oecologia. 65 (2): 223–232. Bibcode:1985Oecol..65..223H. doi:10.1007/BF00379221. PMID28310669. S2CID21068225.
Haukioja, Erkki; Hanhimäki, Sinikka (1985). "Rapid wound-induced resistance in white birch (Betula pubescens) foliage to the geometrid Epirrita autumnata: a comparison of trees and moths within and outside the outbreak range of the moth". Oecologia. 65 (2): 223–232. Bibcode:1985Oecol..65..223H. doi:10.1007/BF00379221. PMID28310669. S2CID21068225.
"Betula pubescens Ehrh". Plants of the World Online. Board of Trustees of the Royal Botanic Gardens, Kew. Retrieved 8 April 2021.
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Haukioja, Erkki; Hanhimäki, Sinikka (1985). "Rapid wound-induced resistance in white birch (Betula pubescens) foliage to the geometrid Epirrita autumnata: a comparison of trees and moths within and outside the outbreak range of the moth". Oecologia. 65 (2): 223–232. Bibcode:1985Oecol..65..223H. doi:10.1007/BF00379221. PMID28310669. S2CID21068225.