Ravn, H. W., Forbes, V., Andary, C., Christophersen, C. & Jahanshahi, F. (1992).
Phenolic compounds in the marine plant Zosteraa marina L. Poster session presented at XVIth International Conference, Lisboa, Portugal.
Ravn, H. W., Lauridsen, L., Kudsk, P. N., Mathiassen, S. K. & Thysen, H. R. (2003).
Plant Biomarker Patern - A new tool to evaluate herbicide effects on plants using Thin Layer Chromatography (TLC). Poster session presented at International Symposium for Thin Layer Chromatography, Lyon, France.