On Critical Periods in the History of the Earth and Their Relation to Evolution; and on the Quaternary as Such a Period | Published in American Journal of Science
- ️Joseph Le Conte
Conte, J. L. (1877). On critical periods in the history of the earth and their relation to evolution; and on the Quaternary as such a period. American Journal of Science, s3-14(80), 99–114. https://doi.org/10.2475/ajs.s3-14.80.99