Wuchiapingium: Verskil tussen weergawes

* {{en}} Jin, Y.; Shen, S.; Henderson, C.M.; Wang, X.; Wang, W.; Wang, Y.; Cao, C. & Shang, Q.; '''2006''': ''The Global Stratotype Section and Point (GSSP) for the boundary between the Capitanian and Wuchiapingian Stage (Permian).'', Episodes '''29(4)''', p. 253-262.