1. Early Cretaceous bird tracks from the Tetori Group, Fukui Prefecture, Japan;Azuma;Memoir of the Fukui Prefectural Dinosaur Museum,2002
2. Preliminary report on the Cretaceous bird tracks of the Lower Haman Formation, Korea;Baek;Journal of the Geological Society of Korea,1997
3. Cretaceous stratigraphy of southeast Korea;Chang;Journal Geological Society Korea,1975
4. Upper Mesozoic strata (Cretaceous Kyongsang Supergroup);Chang,1982
5. Geological age of dinosaur track-bearing formations in China;Chen;Cretaceous Research,2006