Buchkapitel
Trumbore, S. E.; Druffel, E. R. M.: Carbon isotopes for characterizing sources and turnover of nonliving organic matter. In: Role of Nonliving Organic Matter in the Earth's Carbon Cycle, S. 7 - 22 (Hg. Zepp, R. G.; Sonntag, C.). John Wiley & Sons Ltd, Chichester (1995)