Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Butovitsch, V. v., and H. Spaak. 1941b. Tillvaratagande och behandling av brandskadad skog [Taking charge of and treatment of fire damaged forest] . Norrlands Skoysvardsforbunds Tidskrift 1941:200-223.