Design Principles for Multi-Window Online Information Systems: Conclusions from Research, Applications, and Experience
http://www.ingentaconnect.com/content/stc/tc/1996/00000043/00000003/art00006
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  peer-reviewed

Corbin Nichols, Michelle and Robert R. Berry
Technical Communication Online
1996

Abstract:

This article discusses how the use of multiple windows affects online information design by examining key concepts and presenting a set of design principles based on research and the authors' experience designing online information.