Vol. s5-13, Issue 75, 1927March 01, 1927 EDT
The Term Oligocene and Certain Climatic Considerations
The Term Oligocene and Certain Climatic Considerations
Edward Wilber Berry,
Berry, E. W. (1927). The term Oligocene and certain climatic considerations. American Journal of Science, s5-13(75), 252–256. https://doi.org/10.2475/ajs.s5-13.75.252