Dinosaur natural track casts from the Lower Cretaceous Hekou Group in the Lanzhou-Minhe Basin, Gansu, Northwest China: Ichnology, track formation, and distribution.
作 者
Xing L-D, Li D-Q, Lockley M G, Marty D, Zhang J-P, Scott Persons W, You H-L, Peng C, Kümmell S B;
