TY - RPRT TI - Provenance studies by fission-track dating of zircon-etching and counting procedures AU - N. D. Naeser AU - P.K. Zeitler AU - C. W. Naeser AU - P.F. Cerveny PY - 1987 DO - 10.1016/1359-0189(87)90022-7 UR - https://pubs.usgs.gov/publication/70009896 ID - 70009896 ER -