1.
Bertelsen F. A Lower Carboniferous microflora from the Ørslev No. 1 borehole, island of Falster, Denmark. raekke2 [Internet]. 1972 Sep. 15 [cited 2024 Apr. 28];99:1-78. Available from: https://geusjournals.org/index.php/raekke2/article/view/6890