1. Some chemical properties of the purified chromoprotein and the protein moiety of Crenilabrus blue;Abolins̃;Pubbl. Staz. Zool. Napoli,1976
2. Infrared spectra of some melanins;Bonner;Nature,1962
3. Animal Biochromes and Structural Colors;Fox,1976
4. Microchemical detection of melanins;Hackman;Analyt. Biochem.,1971
5. Pteridines in the skin of Xiphophorine fish (Poeciliidae);Henze;Comp. Biochem. Physiol.,1977