| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Modern Time Series Analysis in Forest Products Markets | 978-0-7923-5524-3 (0-7923-5524-5) | 1998 | Jens Abildtrup · F. Helles · Jakob Fromholt Larsen · Bo Jellesmark Thorsen |
| Multiple Use of Forests and Other Natural Resources: Aspects of Theory and Application | 978-0-7923-5859-6 (0-7923-5859-7) | 1999 | F. Helles · Lars Wichmann |
H.A. · H Andersen · P. A. · P. Andersen · P. H. · Per Andersen