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Oppenheim, C.: ¬The applications of virtual reality : pt.1.2 (1993)
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Valauskas, E.: Mac monitor: virtual browsing : hyper WAIS for network access (1993)
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Foster, W.: Information retrieval : towards the multimedia network (1993)
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Henderson, T.: Using the Internet and text-based virtual realities to create the infocenter of the future (1994)
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Poulter, A.: Building a browsable virtual library (1994)
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