Publications and references
This page is additionally available in the following languages:

- Thomsen, I.M., Rasmussen, H.N. & Sørensen, J.M. (Eds.) 2008: Proceedings of the 8th International Christmas Tree Research and Extension Conference. Forest & Landscape Working Papers No. 26-2008, 145 pp. Forest & Landscape Denmark, Hørsholm.
Proceedings of the 8th International Christmas Tree Research & Extension Conference
- Fulbright, Dennis, ed. 2007.
Proc. of the 7th International Christmas Tree Research & Extension Conference. Oct. 2-7, 2005. Kettenen Center, Tustin MI. 89p.