An, Yuan ; Janssen, Jeannette ; Milios, Evangelos E.:
Characterizing and Mining the Citation Graph of the Computer Science Literature.
In: Knowl. Inf. Syst.,
6
(2004),
S. 664--678
Small, Henry:
Co-citation in the scientific literature: A new measure of the relationship between two documents.
In: Journal of the American Society for Information Science,
24
(1973),
Nr. 4,
S. 265--269