1. Some User Requirements Stated Quantitatively in Terms of the 90 Percent Library;Bourne,1965
2. Scientific Serials;Brown,1956
3. Journal Collection Cost-effectiveness in an Academic Chemistry Library: Results of a Cost/use Survey at the University of Illinois at Urbana-Champaign;Chrzastowski;Collection Management,1991
4. Chrzastowski, Tina E., unpublished journal-use survey conducted in the UIUC Chemistry Library, January –; March 1993.
5. Scientific Information Study;Columbia University Libraries,1993