4Gottesman, laura. Digital Reference: Bringing the Reference Desk to Cyberspace. Library of Congress Information Bulletin, v. 61 no.3/4 (Mar./Apr. 2002)p. 56-9.
5Digital Reference Project Advances: Library and OCLC to Develop Prototype. Library of Congress Information Bulletin,v. 60 no.3 (Mar. 2001) P. 55.
6Reference 24/7: Libraries Test Collaborative Digital Reference Service. Library of Congress Information Bulletin, v. 59 no. 10 (Oct. 2000) p. 229.
7Wadham, Rachel Lynn. Virtual Reference. Library Mosaics,v.12 no.6 (Nov./Dec. 2001)p.20.
8Gottesman, Laura. Complementing the Desk: Teleconference Looks to the Future of Reference. Library of Congress Information Bulletin, v. 61 no.6 (June 2002)p. 113.
