25 years of structural chemistry in Turku University : from 1,3-dioxane to natural products : an International Meeting on Structural Organic Chemistry and Its Applications to Environmental Research and the Chemistry of Peat and Humic Substances, Turku 7-9 February, 1990
25 years of structural chemistry in Turku University : from 1,3-dioxane to natural products : an International Meeting on Structural Organic Chemistry and Its Applications to Environmental Research and the Chemistry of Peat and Humic Substances, Turku 7-9 February, 1990
25 years of structural chemistry in Turku University : from 1,3-dioxane to natural products : an International Meeting on Structural Organic Chemistry and Its Applications to Environmental Research and the Chemistry of Peat and Humic Substances, Turku 7-9 February, 1990
25 years of structural chemistry in Turku University : from 1,3-dioxane to natural products : an International Meeting on Structural Organic Chemistry and Its Applications to Environmental Research and the Chemistry of Peat and Humic Substances, Turku 7-9 February, 1990