Use the plus and minus signs to require or forbid keywords. You can also use the Boolean operators AND, OR and AND NOT . Format Of Results Results include a list of articles on your subject published in the preceding six weeks. Selecting the author's name will take you to the abstract of the article displayed at the journal's web site. Usually, the full-text of at least one article per issue is available online.
More articles are available about search and metasearch engines.
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