1
Published: 1967
Superior document: Studia Forestalia Suecica 60
2
Published: 1974
Superior document: Studia forestalia suecica 122
3
Published: 1975
Superior document: Studia Forestalia Suecica 127
4
Published: 1973
Superior document: Studia Forestalia Suecica 106
5
Published: 1978
Superior document: Studia forestalia Suecica 145