http://www.shef.ac.uk/chemistry/web-elements/web-elements-home.html
(NetControl Archived Pages (1998), ~1998)
the Periodic Table on the WWW
by Mark Winter
University of Sheffield, England
https://www.shef.ac.uk/chemistry/web-elements/
>>
Enter frames version
<<
>>
Enter frameless version
<<
http://www.shef.ac.uk/chemistry/web-elements/web-elements-home.html (NetControl Archived Pages (1998), ~1998)
