Zelenkov N. V. A historical specimen of enantiornithine bird from the Early Cretaceous of Mongolia representing a new taxon with a specialized neck morphology / N. V. Zelenkov, A. O. Averianov // Journal of systematic palaeontology. 2015. Vol. 14, № 4. P. 319-338. URL: http://vital.lib.tsu.ru/vital/access/manager/Repository/vtls:000553590