Virgilian series (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Virgilian series" in English language version.

refsWebsite

Global rank English rank

2^nd place

2^nd place

6,073^rd place

low place

doi.org

Heckel, P. H.; Clayton, G. (2005). "The Carboniferous System. Use of the new official names for the subsystems, series, and stages". Geologica Acta. doi:10.1344/105.000000354.
Eble, Cortland F.; Pierce, Brenda S.; Grady, William C. (2005). "Palynology, petrography and geochemistry of the Sewickley coal bed (Monongahela Group, Late Pennsylvanian), Northern Appalachian Basin, USA". International Journal of Coal Geology. doi:10.1016/S0166-5162(03)00110-1.

raco.cat

Heckel, P. H.; Clayton, G. (2005). "The Carboniferous System. Use of the new official names for the subsystems, series, and stages". Geologica Acta. doi:10.1344/105.000000354.