Barbara DeFelice, Kim A. Kastens, Constance Rinaldo, John Weatherley. Insights into collections gaps through examination of null result searches in DLESE. In Gary Marchionini, Michael L. Nelson, Catherine C. Marshall, editors, ACM/IEEE Joint Conference on Digital Libraries, JCDL 2006, Chapel Hill, NC, USA, June 11-15, 2006, Proceedings. pages 310-311, ACM, 2006. [doi]
Abstract is missing.