TY  - RPRT
TI  - 40Ar/39Ar dating of the Jaramillo normal subchron and the Matuyama and Brunhes geomagnetic boundary
AU  - G. A. Izett
AU  - J. D. Obradovich
PY  - 1992
DO  - 10.3133/ofr92699
UR  - https://pubs.usgs.gov/publication/ofr92699
ID  - ofr92699
ER  -