@misc{indiciae374294e1981f, title = {Microcrystalline sphalerite in resin globules suspended in Lake Kivu, East Africa}, author = {E.T. Degens and H. Okada and S. Honjo and J.C. Hathaway}, year = {1972}, doi = {10.1007/bf00206891}, url = {https://pubs.usgs.gov/publication/70001480}, note = {Source identifier: 70001480} }