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From: nsb@THUMPER.BELLCORE.COM (Nathaniel Borenstein)
Newsgroups: comp.mail.multi-media
Subject: Re: Need pointers to multimedia mail systems.
Message-ID: <QcFHHVS0M2Yt41Q5h0@thumper.bellcore.com>
Date: 30 May 91 17:22:41 GMT
References: <AcFEE9i0M2Y113rnQZ@thumper.bellcore.com>
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An easier-to-find Andrew reference might be:

Borenstein, Nathaniel S. and Chris Thyberg, "Power, Ease of Use, and
Cooperative Work in a Practical Multimedia Message System",
International Journal of Man-Machine Studies, April, 1991 (34).