^Hasegawa, H.; Tada, R.; Ichinnorov, N.; Minjin, C. (2009). "Lithostratigraphy and depositional environments of the Upper Cretaceous Djadokhta Formation, Ulan Nuur basin, southern Mongolia, and its paleoclimatic implication". Journal of Asian Earth Sciences. 35 (1): 13−26. Bibcode:2009JAESc..35...13H. doi:10.1016/j.jseaes.2008.11.010.