Microsoft Academic Search

- journalogy.net

Find information about academic papers, authors, conferences, journals, and organizations from multiple sources.

  352,294   $ 14,580.00


CiteSeerX

- citeseer.org

Scientific Literature Digital Library incorporating autonomous citation indexing, awareness and tracking, citation context, related document retrieval, similar document...

  Not Applicable   $ 8.95

CiteSeerX

- citeseer.com

Scientific Literature Digital Library incorporating autonomous citation indexing, awareness and tracking, citation context, related document retrieval, similar document...

  Not Applicable   $ 8.95