Analysis of information sources in references of the Wikipedia article "John E. Walker" in Simple English language version.
“All text published under the heading 'Biography' on Fellow profile pages is available under Creative Commons Attribution 4.0 International License.” --"Royal Society Terms, conditions and policies". Archived from the original on 25 September 2015. Retrieved 2016-03-09.
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(subscription required)“All text published under the heading 'Biography' on Fellow profile pages is available under Creative Commons Attribution 4.0 International License.” --"Royal Society Terms, conditions and policies". Archived from the original on 25 September 2015. Retrieved 2016-03-09.
{{cite web}}
: CS1 maint: bot: original URL status unknown (link)