Quantitative radiometric and biostratigraphic calibration of the Pennsylvanian-Early Permian (Cisuralian) time scale and pan-Euramerican chronostratigraphic correlation

M. D. Schmitz, and V. I. Davydov

2012

Article

Geological Society of America Bulletin 124:549-577

Find it at:

http://dx.doi.org/10.1130/B30385.1