“Towards Demonstrating Value: Measuring the Contributions of Library Collections to University,Research and Teaching Goals”

by Denise Pan, Gabrielle Wiersma, and Yem Fong
http://libraryassessment.info/?p=748

Well-done pilot study by Denise Pan, Gabrielle Wiersma, and Yem Fong at the University of Colorado that was inspired by the first ROI study at UIUC.

That paper is also worth a look:

http://www.goeshow.com/acrl/national/2011/client_uploads/handouts/towards_demonstrating_value.pdf