The ancient caves of Szechwan Province, China
Graham, David Crockett
Article
1932
Proceedings of the United States National Museum
80
Issue: 2916
1--13
BioStor
English
Washington Smithsonian Institution Press, [etc.]
BioStor: https://biostor.org/reference/79765 DOI: https://doi.org/10.5479/si.00963801.80-2916.1