"Humic" matter in the bitumen of pre-Phanerozoic and Phanerozoic sediments and its paleobiological significance
- 1 October 1975
- journal article
- Published by American Journal of Science (AJS) in American Journal of Science
- Vol. 275 (8) , 906-953
- https://doi.org/10.2475/ajs.275.8.906