Bielawska, H., Polish Academy of Sciences

• Vol 37, No 2 (1968) - Articles processed outside the current editorial system
  Cytogenetic relationships between lowland and montane species of the Campanula rotundifolia L. group. II. Tetraploid C. rotundifolia L. s. str. as well as C. polymorpha Witaseik and C. scheuchzeri Vill. from Poland
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• Vol 33, No 1 (1964) - Articles processed outside the current editorial system
  Cytogenetic relationships between lowland and montane species of Campanula rotundifolia L. group. I. C. cochleariifolia Lam. and C. rotundifolia, L.
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