D. B. Means, W. E. Duellman, and V. C. Clark, “Ovipositing behavior in the egg-brooding frog Stefania ayangannae (Anura, Hemiphractidae)”, Phyllomedusa, vol. 7, no. 2, pp. 143–148, Dec. 2008, doi: 10.11606/issn.2316-9079.v7i2p143-148.