1
2
3
4
5
Published: 1968
Superior document: Studia forestalia Suecica 65
6
Published: 1967
Superior document: Studia forestalia Suecica 51
7
Published: 1972
Superior document: Studia forestalia Suecica 99
8
9
Published: 1968
Superior document: Studia Forestalia Suecica 62