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  • × author_ss:"Heine, M.H."
  • × theme_ss:"Informationsdienstleistungen"
  • × year_i:[1980 TO 1990}
  1. Heine, M.H.: ¬The 'question' as a fundamental variable in information science (1980) 0.01 
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    Source
    Theory and application of information research. Proc. of the 2nd Int. Research Forum on Information Science, 3.-6.8.1977, Copenhagen. Ed.: O. Harbo u. L. Kajberg