Agnostoid Biostratigraphy across the Middle-Upper Cambrian Boundary in Hunan, China

Autor:	Peng, Shanchi, Robison, Richard A.
Zdroj:	Memoir (The Paleontological Society), 2000 Jul 01. 53, 1-104.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/1315610 Zobrazit plný text záznamu