Measures of Searcher Performance: A Psychometric Evaluation. - Barbara M. Wildemuth; Ruth de Bliek; Charles P. Friedman (Inf. Process. Manag., 1993)

Research Paper: Information Retrieved from a Database and the Augmentation of Personal Knowledge. - Ruth de Bliek; Charles P. Friedman; Barbara M. Wildemuth; John M. Martz; Robert G. Twarog; Dean D. File (J. Am. Medical Informatics Assoc., 1994)

Medical Students' Personal Knowledge, Searching Proficiency, and Database Use in Problem Solving. - Barbara M. Wildemuth; Ruth de Bliek; Charles P. Friedman; Dean D. File (J. Am. Soc. Inf. Sci., 1995)