1. Acton, H.W., Knowles, R.: Studies on the halteridium parasite of the pigeon,Haemoproteus columbae, Celli and San Felice. Indian J. Med. Res.1, 663?690 (1914)
2. Adie, H.: The sporogony ofHaemoproteus columbae. Bull. Soc. Pathol. Exot.17, 606?613 (1924)
3. Ahmed, F.E., Mohammed, A.H.H.: Schizogony inHaemoproteus columbae Kruse. J. Protozool.24, 389?393 (1977)
4. Ahmed, F.E., Mohammed, A.H.H.: Studies of growth and development of gametocytes inHaemoproteus columbae Kruse. J. Protozool.25, 174?177 (1978)
5. Aragão, H. de B.: Über den Entwicklungsgang und die Übertragung vonHaemoproteus columbae. Arch. Protistenkd.12, 154?167 (1908)