https://journals.uair.arizona.edu/index.php/radiocarbon/article/view/1902/1903 (Verlagsversion)
BEX362.pdf (Verlagsversion), 2MB
Trumbore, S. E., & Zheng, S. H. (1996). Comparison of fractionation methods for soil organic matter 14C analysis. Radiocarbon, 38(2), 219-229. doi:10.1017/S0033822200017598.