Über die Bedingungen der Mykorrhizabildung bei Kiefer und Fichte
Botaniska institutionen i Uppsala 1942. 190 pp. Soft cover. Symbola Botanicae Upsalienses VI:2 - Arbeten från botaniska institutionen i Uppsala. A few illustrations in b/w. Title page with some damages. Cover with a couple of vague folds over the front part as well as some wear along edges. Spine oblique from reading. 25.5x18.5x1 cm, 467 g