Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI)
ARMSTRONG H. A.,"Conodonts from the Ordovician Shinnel Formation, Southern Uplands, Scotland",Palaeontology,,,1997,40,3,763-797,https://cir.nii.ac.jp/crid/1571980075442086912,