%0 Article
%T Trend of forest management of the day
%A Wappes, L.
%D 1929
%J Acta Forestalia Fennica
%V 34
%N 10
%R doi:10.14214/aff.7223
%U https://silvafennica.fi/article/7223
%X <p>The article is a congratulatory letter to professor Cajander. The author describes the work of Cajander about forest site classification and its importance to the development of forest sciences not only in Finland but worldwide.</p><p>The volume 34 of Acta Forestalia Fennica is a jubileum publication of professor Aimo Kaarlo Cajander.</p>