Geologic Sketch of Titicaca Island and Adjoining Areas
Geologic Sketch of Titicaca Island and Adjoining Areas
H. E. Gregory,
Gregory, H. E. (1913). Geologic Sketch of Titicaca Island and Adjoining Areas. American Journal of Science, 187–213. https://doi.org/10.2475/ajs.s4-36.213.187