This link has been bookmarked by 12 people . It was first bookmarked on 13 Feb 2008, by Wisely.
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KHLim basoDe AIP is een internationaal goedgekeurde, hiërarchische onderwerpsclassificatie, ontworpen door het "American Institute of Physics" (AIP) om de literatuur van de fysica en sterrenkunde te classificeren en te categoriseren.
Bron: Verhaaren (2010). -
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PACS is a hierarchical subject classification scheme designed to classify and categorize the literature of physics and astronomy for journal subject indexes, catalogs, computerized databases, and online journals. PACS enables the indexes and databases from physics, astronomy and related fields to be cumulated together and searched efficiently under a single coherent scheme, and can be used either alone or in combination with keywords or free-language text for retrieval.
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