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Providing researchers with access to millions of scientific documents from journals, books, series, protocols and reference works.

Alexa provides information about websites including Top Sites, Internet Traffic Stats and Metrics, Related Links, Online Reviews Contact Information and Search Analytics for SEM and SEO optimization. The Alexa Toolbar is a browser add-on that shows d...

Academia.edu helps academics follow the latest research.

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

EF is marktleider op het gebied van taalreizen. Volg een taalcursus, een tussenjaar of ga studeren in het buitenland. Voor alle leeftijden en meer dan 40 bestemmingen wereldwijd.