4. Some Notes on Hybrid Bears
Scherren, Henry, 1842-1911
Article
1907
Proceedings of the Zoological Society of London
431--435
BioStor
English
London Academic Press, [etc.] 1833-1965
BioStor: https://biostor.org/reference/107696 DOI: https://doi.org/10.1111/j.1096-3642.1907.tb01827.x