Digital reference services - Katz, William A. 1924-2004. (Binghamton, N.Y. Haworth Information Press, 2003)
"Co-published simultaneously as The reference librarian, numbers 79/80, 2002/2003."
Keywords: Electronic reference services (Libraries); Reference services (Libraries) -- Information technology; Internet in library reference services; Academic libraries -- Reference services -- United States -- Case studies; Electronic reference services (Libraries) -- United States -- Case studies