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                                    Jessen, Knud: The Distribution within Denmark of the Higher Plants. Results of the topographic-botanical investigation. II: The Distribution of the Papilioniaceae within Denmark. 1931. (Memoirs de l'Academie  Royale des Sciences et des Lettres de Danemark, Copenhague, Section des Sciences, 9me serie, t. III, no. 2). 9 pls. 78 p. 4to. Paper bd. (83612)                                                                  22.47
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