Changes
/* References */
== References ==
'''Main'''<br>
{{Ref|Bjorn & Shetelig 1940|x}}
{{Ref|Bersu & Wilson 1966|x}}
{{Ref|Redmond 2007|x}}
{{Ref|Steinforth 2015|x}}
<hrbr>'''Other'''<br>
{{Ref|Graham-Campbell 1994|x}}
{{Ref|Graham-Campbell & Batey 1998|x}}