[R] Yu
Yu, J., Zhang, W., Zhao, Q. & Song, S. (1982) Late Jurassic and early Cretaceous palynological assemblages from Minhe Basin, Qinghai and Gansu provinces. Bulletin of Institute of Geology, Chinese Academy of Geological Sciences 5, 111–126. [In Chinese, English abstract]
Yu, J. (1989) Early Cretaceous sporo-pollen assemblages in northern Hebei and western Liaoning Provinces. In The paleontology and stratigraphy of the Jurassic and Cretaceous in Eastern China (ed. Stratigraphical Group, Institute of Geology, Chinese Academy of Geological Sciences), pp. 21–51 (Geological Publishing House, Beijing). [In Chinese, English abstract]
Yu, J. (1990) Cretaceous palynological assemblages, northern Xinjiang. In Permian to Tertiary strata and palynological assemblages in the north of Xinjiang (ed. Institute of Geology, Chinese Academy of Geological Sciences), pp. 97–121 (China Environmental Science Press, Beijing). [In Chinese, English abstract]
Yu, J. (1990) The study of Early Cretaceous angiospermous pollen in northern China. Professional Papers of Stratigraphy and Paleontology 23, 212–228. [In Chinese, English abstract]
Yu, X.-Q., Kobayashi, Y., and Lu, J.-C. (1999). The preliminary study of the dinosaur footprints from Huangshan, Anhui Province. Vertebrata PalAsiatica 37(4): 285-290.