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Online public access catalog. The online public access catalog ( OPAC ), now frequently synonymous with library catalog, is an online database of materials held by a library or group of libraries. Online catalogs have largely replaced the analog card catalogs previously used in libraries.
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The ANT catalog [a] (or TAO catalog) is a classified product catalog by the U.S. National Security Agency (NSA) of which the version written in 2008–2009 was published by German news magazine Der Spiegel in December 2013. Forty-nine catalog pages [b] with pictures, diagrams and descriptions of espionage devices and spying software were published.
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Open educational resources ( OER) [1] are teaching, learning, and research materials intentionally created and licensed to be free for the end user to own, share, and in most cases, modify. [2] [3] The term "OER" describes publicly accessible materials and resources for any user to use, re-mix, improve, and redistribute under some licenses. [4]
1RXS — ROSAT All-Sky Bright Source Catalogue, ROSAT All-Sky Survey Faint Source Catalog. 1SWASP — SuperWASP. 2A — see 1A. 2C — Second Cambridge Catalogue of Radio Sources. 2E — The Einstein Observatory Soft X-ray Source List. 2MASS — Two Micron All Sky Survey. 2MASP — Two Micron All Sky Survey, Prototype.
Since 2008 more than 2.7 Million copies of pCon.planner (data from August 2016) have been downloaded. Scope of application. pCon.planner is a process-oriented application for space planning and interior design. Users can draw rooms and fill them with 3D objects and materials which they can directly download from online catalogs.
Michel catalog. The Michel catalog ( MICHEL-Briefmarken-Katalog) is the largest and best-known stamp catalog in the German -speaking world. First published in 1910, it has become an important reference work for philately, with information not available in the English-language Scott catalogue .