Rob H. Hellingwerf, Robert Lilljequist, Sigvard Ljung. Stratiform Zn-Pb-Fe-Mn mineralization in the Alvlangen- Vikern area, Bergslagen, Sweden. njg [Internet]. 1988Jan.1 [cited 2026Apr.6];:313-32. Available from: https://njgjournal.nl/index.php/njg/article/view/13071