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Tenopir, C.; Neufang, R.: Electronic reference options : how they stack up in research libraries (1992)
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Wikstrom, L.: LIBRIS menu search : the way we did it (1991)
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Kollewe, W.: Data representation by nested line diagrams illustrated by a survey of pensioners (1991)
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McAllister-Harper, D.: Dewey Decimal Classification in the online environment : a study of libraries in North Carolina (1990)
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Havener, W.M.: Answering ready reference questions : print versus online (1990)
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