Chemical Abstracts Service
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CAS is a division of the American Chemical Society. It is a source of chemical information and is located in Columbus, Ohio, United States.
Chemical Abstracts Service Building B in August 2009. Columbus, Ohio
CAS Headquarters Complex, completed in 1965 with additions (on left and right) in 1973 and 2001. Columbus, Ohio
Citation index
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A citation index is a kind of bibliographic index, an index of citations between publications, allowing the user to easily establish which later documents cite which earlier documents. A form of citat
Citation index
