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IDEAS is a central index of economics and finance research, including working papers, articles and software code

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

Find what you want in a library near you with WorldCat, a global catalog of library collections.

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

AppTweak is the App Store Optimization Toolbox. Get a full ASO report for your app, follow the worldwide ranking, analyze the app marketing of competitors, get yours worlwide reviews & ratings. Discover AppTweak.com now!

NTIS serves our nation as the largest central resource for government-funded scientific, technical, engineering, and business related information available today.

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

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TrafficEstimate.com profiles millions of websites providing traffic statistics, web analytics, keyword and competitor analysis, contact information, and more.

Siemens is the world’s single-source leader of automation technology products for all industrial sectors. Learn more about our unique range of products and systems.