Fossil embryos from the Middle and Late Cambrian period of Hunan, south China.

Autor: Xi-Ping Dong, M. H. W.1, Donoghue, Philip C. J.2, Hong Cheng3, Jian-Bo Liu, Philip C. J.1
Zdroj: Nature. 1/15/2004, Vol. 427 Issue 6971, p237-240. 4p.
Databáze: Academic Search Ultimate