P. A. Schwalm

The morphology of dermal chromatophores in the infrared‐reflecting glass‐frog Centrolenella fleischmanni

J. A. Mcnulty, P. A. Schwalm, J. Mcnulty, 1980, Journal of morphology.

Infrared reflectance in leaf-sitting neotropical frogs.

R. Mcdiarmid, P A Schwalm, P H Starrett, 1977, Science.