History of citation index

This is a work in progress. Comments are welcome.

Main

01/01/1955 - 01/02/1955
01/01/1963 - 01/02/1963
01/01/1963 - 01/02/1963
01/01/1973 - 01/02/1973
01/01/1997 - 01/02/1997
01/01/2001 - 01/02/2001