%0 Journal Article %T Rejoinder: Four-series concept of the Cambrian has a long history %A Peng S C %A Babcock L E %J Bulletin of Geosciences %D 2012 %I Czech Geological Survey %R 10.3140/bull.geosci.1333 %U http://www.geology.cz/bulletin/fulltext/1333_Peng.pdf