TY  - RPRT
TI  - Characteristics of zircons from volcanic ash-derived tonsteins in Late Permian coal fields of eastern Yunnan, China
AU  - Y. Zhou
AU  - Y. Ren
AU  - D. Tang
AU  - B. Bohor
PY  - 1994
DO  - 10.1016/0166-5162(94)90018-3
UR  - https://pubs.usgs.gov/publication/70017591
ID  - 70017591
ER  -