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International führender Wissenschaftsverlag - Wissenschaft, Technik, Medizin, Architektur, Wirtschaft und Verkehr - Zeitschriften, Bücher und EContent.

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Reviews and free software downloads for Windows, Mac, Palm, Pocket PC, and Mobile Phones. The best programs and games. Buy software directly online.

YouTube is a place to discover, watch, upload and share videos.

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

Academia.edu helps academics follow the latest research.

At Blue Matrix Labs – we are innovation. The products we develop are not only unique and different, but also solve existing problems for consumers

Twitter is without a doubt the best way to share and discover what is happening right now.

Since 1983, developing the free Unix style operating system GNU, so that computer users can have the freedom to share and improve the software they use.