1. Ablasov N. A. and Chibichenko N. T., 1961: (Helminth fauna of wild birds of Kirghizia.) In: Ptitsy Kirghizia, Tom. III., Frunze, pp. 187–279
2. Ablasov N. A. and Chibichenko N. T., 1962: (Nematode fauna of wild birds of Kirghizia.) Izv. Akad. Nauk Kirgiz. SSR, Ser. biol. Nauk, 4: 113–130
3. Ablasov N. A., Iksanov K. I. and Chibichenko N. T., 1960: (A short note on the helminths of pelicans of Lake Balkhash.) Izv. Akad. Nauk Kirgiz. SSR, Ser. biol. Nauk, 2: 181–182
4. Daiya G. G., 1967a: (Nematodes of fish-eating birds of the Lower Ob River (based on the materials from the Ob expedition in 1965).) In: Sbornik rabot po gelmintofaune ryb i ptits. Moscow: Izdat. Akad. Nauk SSSR, No. 162–67, pp. 133–153
5. Diesing K. M., 1851: Systema helminthum. Vol. II., Vindobonae, VI+ 588 pp.