Quantum redactiones paginae "Aera (geologia)" differant
Content deleted Content added
mNo edit summary |
mNo edit summary |
||
Linea 5:
== Nexus externi ==
* ''[
* Michael A. Murphy, Amos Salvador, "[https://web.archive.org/web/20200302101823/http://www.stratigraphy.org/upload/bak/chron.htm Chronostratigraphic Units]" (2009)
|