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  1. By: Törnqvist, Sv. Leonh. (Sven Leonhard),
    Type: Article
    In: The geological magazine, or, Monthly journal of geology
    Volume: n.s. decade 4, v. 3 (1896)
    Date: 1896
    Page Range: 567-569
    Publication Info: London [etc.], Cambridge University Press, 1864-
  2. By: Törnqvist, Sv. Leonh. (Sven Leonhard),
    Type: Article
    In: The geological magazine, or, Monthly journal of geology
    Volume: n.s. decade 4, v. 3 (1896)
    Date: 1896
    Page Range: 142
    Publication Info: London [etc.], Cambridge University Press, 1864-