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2.
Engelbart, Douglas C. 'A Conceptual Framework for the Augmentation of Man's Intellect' in P.D. How-Erton and D.C. Weeks, Vistas in Information Handling, Washington, D.C., Spartan Books1963, 1, p.1-29.
3.
Lyotard Jean-François, La Condition post-moderne, Paris, Les Editions de Minuit, collection 'Critique' 1979.
4.
Nelson Theodor Holm, 'A File Structure for The Complex, The Changing and Indeterminate', Association for Computing Machinery 20th National Conference, 1965 p. 84-100 in the conference proceedings.
5.
Nelson Theodor Holm, 'Opening Hypertext: A memoir', in Literacy Online, The Promise (and Peril) of Reading and Writing with Computers, texts assembled by Myron C. TUMAN, University of Pittsburgh Press1992, p. 43-57.
