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<referencetext xmlns="http://eprints.org/ep2/data/2.0">Baker, S. ; Lancaster, F.W. (1991): The measurement and evaluation of library services, 2nd ed., Arlington, VA, Information Resources Press, ISBN 0878150617. 

Ceynowa, K. (2000): Managing academic information provision with the balanced scorecard: a project of the German Research Association, Performance Measurement and Metrics, 1 (3), 157-164. 

Ceynowa, K. ; Coners, A. (2003): Cost management for university libraries. München, London, K.G. Saur, ISBN 3598218346. 

Cook, C., Heath, F., Thompson, B. (2001): Users’ hierarchical perspectives on library service quality: A LibQUAL+ study, College and Research Libraries 62 (3), 147-153. 

Creaser, C. (ed., 2003): As others see us: benchmarking in practice. Loughborough, LISU, ISBN 1901786536, URL: http://www.lboro.ac.uk/departments/dis/lisu/op33.pdf [2003-09-28]. 

Dillman, D.A. ; Bowker, D.K. (2001): The web questionnaire challenge to survey methodologists, Dimensions of Internet Science / U.-D. Reips and M. Bosnjak (Eds.) Lengerich, Pabst, 159-178. 

Follmer, R.; Guschker, S.; Mundt, S. (2002a): Gemeinsame Benutzerbefragung der nordrhein-westfälischen Universitätsbibliotheken – methodisches Vorgehen und Erfahrungen [Joint user survey of university libraries in North Rhine Westphalia – methodology and experiences], Bibliotheksdienst 36 (1), 18-33, URL: http://bibliotheksdienst.zlb.de/2002/02_01_02.pdf [2003-09-28] 

Follmer, R.; Guschker, S.; Mundt, S. (2002b): „Alles, was man zum Lernen braucht...“ – Übergreifende Ergebnisse der Benutzerbefragung in den nordrhein-westfälischen Universitätsbibliotheken 2001 [“All you need for learning…” – overall results of the user survey in university libraries in North Rhine Westphalia], ProLibris 7 (1), 20-26. 

Follmer, R. ; Guschker, S. ; Klitzke, R. (2002): "Die Bibliothek bekommt ein Gesicht... " – Ergebnisse und Folgewirkungen der Benutzerbefragung in den
Fachhochschulbibliotheken NRW 2002 [“The library shows its face“ – results and consequences of the user survey in libraries of the universities of applied sciences NRW 2002], ProLibris 7 (4), 207-211. 

Klug, P. (2000): BIX – The Library Index, or: Why less is often more, Performance Measurement and Metrics, 1 (2), 129-134; BIX – Der Bibliotheksindex [BIX – The Library Index], URL: http://www.bix-bibliotheksindex.de [2003-09-28] 

Leibfried, K.H.J.; McNair, C.J. (1992): Benchmarking – a tool for continuous improvement, New York, HarperBusiness, ISBN 0887305482. 

Poll, R. (2000): Three years of operating ratios for university libraries, Performance Measurement and Metrics 1 (1), 3-8. Poll, R. ; te Boekhorst, P. (1996): Measuring quality: International guidelines for performance measurement in academic libraries. IFLA Publications 76. München, London: K.G. Saur, ISBN 3598218001. 

Town, S. (Ed., 2000): SCONUL benchmarking manual, London, SCONUL, ISBN 0900210214. 

Voorbij, H. (2000): Benchmarking in Dutch academic libraries, Proceedings of the 3rd Northumbria international conference on performance measurement in libraries and information services, Newcastle upon Tyne, Information North for the School of Information Studies, University of Northumbria at Newcastle, 253-258. 

West, C. (2001): Measuring user satisfaction: a practical guide for academic libraries, London, SCONUL, ISBN 0900210257. 

Windau, B. (1997): Betriebsvergleich an Öffentlichen Bibliotheken. Bd. 2: Messergebnisse - Richtwerte – Handlungsempfehlungen [Interlibrary comparison of public libraries Vol. 2: Results – reference values – recommendations], Gütersloh, Bertelsmann Stiftung, ISBN 3892042934.</referencetext>
