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Internet Archive is a non-profit digital library offering free universal access to books, movies & music, as well as 150 billion archived web pages.

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Academia.edu helps academics follow the latest research.

Be Communities is a social networking site for those in the architecture, engineering, construction, operations, and GIS communities with tools such as forums, blogs, a resource gallery, and a wiki for connecting, communicating, and learning from eac...

Safari Books Online is an on-demand, digital library that provides access to thousands of technology, creative and business books, training videos and expert reference and learning materials from leading publishers, like O

Knovel integrates validated content, optimized search, and data analysis tools – enabling engineers to solve problems quickly

Specializing in airborne noise control, structure-borne vibration isolation, seismic and wind restraint, floating floor systems, industrial noise and vibration control, environmental noise control, community noise control, and acoustical wall treatme...