1. A reinvestigation of turacin, the copper porphyrin pigment of certain birds belonging to the Musophagidae;Rimington,1939
2. Porfyriner hos fugle;With,1973
3. Porphyrins in egg shells;With;Biochem J,1973
4. Nomenclature of tetrapyrrole recommendations 1978;IUPAC/IUB;Eur J Biochem,1980
5. Heme and chlorophyll;Marks,1979