Stratigrafio (geologio): Malsamoj inter versioj

[nekontrolita versio][nekontrolita versio]
Enhavo forigita Enhavo aldonita
Linio 10:
* K.A. Gradstein, J.G. Ogg: ''A Geologic Time Scale 2004.'' Cambridge University Press, 2005
* North American Commission on Stratigraphic Nomenclature (NACSM): ''North American stratigraphic code.'' American Association of Petroleum Geologists Bulletin, 67: 841-875, Tulsa, Oklahoma 1983
sumiroromirojasolotura selamala sula
 
== Retligoj ==