Dunbar, C. O. Historical geology.3rd ed (Ed. 3.).
Chicago Edition CitationDunbar, Carl O. Historical Geology.3rd Ed. Ed. 3.
Deismireacht MLADunbar, Carl O. Historical Geology.3rd Ed. Ed. 3.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.