On the question of Late-Tertiary or Quaternary land connections across the North Atlantic, and the dispersal of biota in Hat area.
Reference:
Einarsson,T. (1964)
On the question of Late-Tertiary or Quaternary land connections across the North Atlantic, and the dispersal of biota in Hat area. Journal of Ecology
Vol. 52 # 3 P. 617- 625