TY - RPRT TI - Microcrystalline sphalerite in resin globules suspended in Lake Kivu, East Africa AU - E.T. Degens AU - H. Okada AU - S. Honjo AU - J.C. Hathaway PY - 1972 DO - 10.1007/bf00206891 UR - https://pubs.usgs.gov/publication/70001480 ID - 70001480 ER -