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Sjögren, Per; van der Knaap, Willem Oscar; van Leeuwen, Jacqueline F. N. (2018). A practical approximation of pollen dispersal–deposition for calculation of pollen productivity and quantification of vegetation. Grana, 57(6), pp. 464-470. Scandinavian University Press 10.1080/00173134.2018.1485733
