8Linda C Smith,Lydia E Harris.Real-Time Virtual Reference Reqires Real-Time Virtual Reference Skills.Setting Standards and Making It Real:The 3rd Annual Digital Reference Conferencein Orlando,FL.12-13 Nov,2001.New York:Neal-Schuman,2002.
9Matthew Marsteller,Paul Neuhaus.Providing Chat Reference Service:A Survey of Current Practiecs.Implementing Digital Scrvices.Setting Standards and Making It Real:The 3rd Annual Digital Reference Conferencein Orlando,FL.12-13 Nov,2001.New York:Neal-Schuman,2002.
5Steve Coffman, Linda Arret. To Chat or Not To Chat: Taking Another Look at Virtual Reference. Searcher, July/August 2004 http://www. infotoday.com/seareher/jul04/arret%5fcoffman. shtml (2004 - 09 - 20).
