Structural and stable carbon isotope studies of lipids in immature sulphur-rich sediments / Stefan SchoutenPion production on the proton and 13C / Hendrikus Bernardus van den BrinkSynthesis of 13C labelled astaxanthin, spheroidene and β-carotene : strategies for the preparation of isotopically labelled carotenoids for molecular biology research / Franciscus Johannes Henricus Maria JansenSeizoensafhankelijkheid van atmosferisch CO2 veroorzaakt door fossiel brandstofgebruik in Nederland in de periode 1950-1995 en de 13C/12C-signatuur hiervan / M.G. KeizerIsotopic and molecular characterization of particulate organic matter in coastal waters / Luc MegensCarbon-13 in organic chemistry / ed. by E. Buncel and C.C. Lee ; contributors: G.E. Dunn ... [et al.]Phosphatidylcholines in different aggregational states : a \1\3C NMR study of the fluidity of model membranes / Roeland Jacobus Eduard Maria de Weerd