Publications and references
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- Landgren, C. (ed.). 2012.
Proceedings of the 10th International Christmas Tree Research and Extension Conference. Eichgraben, Austria, August 21–27, 2011.
- Hart, J., Landgren, C., and Chastagner, G. (eds.). 2010.
Proceedings of the 9th International Christmas Tree Research and Extension Conference. Corvallis, OR and Puyallup, WA., September 13–18, 2009. 124 pp.
- 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.
Proceedings of the 7th International Christmas Tree Research & Extension Conference. 2-7 OctOctober 2005. Kettenen Center, Tustin MI. 89p.