@misc{cogprints1580,
          volume = {2},
          number = {1},
           title = {Post-Gutenberg Galaxy: The Fourth Revolution in the Means of Production of Knowledge},
          author = {Stevan Harnad},
            year = {1991},
           pages = {39--53},
         journal = {Public-Access Computer Systems Review},
        keywords = {knowledge, skywriting, scholarly publication, electronic journals, language evolution, online archiving, hypermail },
             url = {http://cogprints.org/1580/},
        abstract = {The 4th revolution after speech, writing and print, is skywriting (email, hypermail, web-based archiving).}
}

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