Library Trends

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Articles in Spring 1993 issue of Library Trends

• Quality control of documents
  by Evelyn H. Daniel
• On the nature of information and knowledge and the interpretation in the economic sciences
  by Richard Mattessich
• Changes in the use of literature with time - obsolescence revisited
  by Maurice B. Line
• The preservation of knowledge
  by Michele Valerie Cloonan
• Changing values in the published literature with time
  by Dianne Rothenberg
• Intervening in the life cycles of scientific knowledge
  by Don R. Swanson
• Patent citation cycles
  by Francis Narin
• The value of currency
  by Patrick Wilson