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Characteristics of social science information : a selective review of the literature
Hogeweg-de Haart, H. P., (1983)
Information systems for regional development planning : a state-of-the-art survey
Nijkamp, Peter, (1984)
The evaluation and optimization of organizational information systems : a comparative analysis
Mercken, R., (1979)
Empirical and theoretical bases of Zipf's law
Wyllys, Ronald E., (1981)
National document-handling systems for science and technology
Cantley, Gordon, (1967)