Ludfordien (French Wikipedia)

Analysis of information sources in references of the Wikipedia article "Ludfordien" in French language version.

refsWebsite
Global rank French rank
850th place
2,143rd place
2,562nd place
1,031st place
3rd place
11th place

books.google.com

purdue.edu

engineering.purdue.edu

  • (en) « GSSP Table - Paleozoic Era », sur Geologic TimeScale Foundation (consulté le ).
  • (en) Charles H. Holland, « The State of Silurian Stratigraphy », Episodes, vol. 5, no 3,‎ , p. 21-23 (lire en ligne [PDF]).

stratigraphy.org