TY - RPRT TI - Fission track dating of kimberlitic zircons AU - S.E. Haggerty AU - E. Raber AU - C. W. Naeser PY - 1983 DO - 10.1016/0012-821x(83)90020-1 UR - https://pubs.usgs.gov/publication/70011443 ID - 70011443 ER -