A comparative study of chloroplast morphogenesis in seedlings of some conifers (Larix decidua, Pinus sylvestris and Picea abies) /

by Walles, Bjorn.
Published 1975

Ultrastructure of the rust fungus Peridermium pini (Pers.) Lev. /

by Walles, Bjorn.
Published 1974

Ultrastructural studies of resistance mechanisms in Pinus sylvestris L. against Melampsora pinitorqua (Braun) Rostr. (pine twisting rust) /

by Jonsson, Alena.
Published 1978