Types of Humus Layer in the Forests of Northeastern United States. / ... Appendix. Containing Descriptions of Chosen Localities.
Durham 1931. (42) s. + tryckt omslag (särtryck ur Ecology) + 29 blad (stencilerad). Med Romells dedikation till Olov Arrhenius. [A5765]
Inrikes enhetsfrakt Sverige: 62 SEK