1. Studies on the flower colours in Rhododendron. I. Pigment constitutions of the elepidote and some lepidote Rhododendron;Arisumi;Mem. Fac. Agr. Kagoshima Univ.,1985
2. Flavonoid chemical markers as an adjunct for cultivar identification;Asen;Hortscience,1977
3. Flavonoid chemical markers in Poinsettia bracts;Asen;J. Am. Soc. Hort. Sci.,1979
4. Identification of flavonoid chemical markers in roses and their high pressure liquid chromatographic resolution and quantification for cultivar identification;Asen;J. Am. Soc. Hort. Sci.,1982
5. High liquid chromatographic analysis of flavonoid chemical markers in the petals from Gerbera flowers as an adjunct for cultivar and germplast identification;Asen;Phytochemistry,1984