Academic OneFile
– Journal articles from more than 8,000 scholarly and general periodicals across all fields of study. Indexing from 1980 to present; full-text from 1989 to present. Brought to you by the State of Michigan via the Michigan eLibrary (http://mel.org).
CRC Handbook of Chemistry and Physics
– Provides broad coverage of all types of physical science data--melting points, boiling points, heat capacity, vapor pressure, etc.--commonly encountered by scientists and engineers.
Gale Virtual Reference Library
– Over 2 dozen scholarly reference books across a variety of subjects. Brought to you by the State of Michigan via the Michigan eLibrary (http://mel.org).
Google Scholar
– Journal articles, books, and other resources across many subjects. Provides a "cited by" feature to indicate other papers containing a source paper as a reference.