Luxist Web Search

The biggest academic database & search engine (over 390 million records, unofficial estimate) Contains over 2,500 journals (including 700 journals from Poland ). Provides free public access to over 266,000 full-text documents and bibliographic citations of Department of Energy ( DOE) research report literature.

Peer review is the evaluation of work by one or more people with similar competencies as the producers of the work ( peers ). It functions as a form of self-regulation by qualified members of a profession within the relevant field. Peer review methods are used to maintain quality standards, improve performance, and provide credibility.

Source searching. The Wikipedia List of online newspaper archives – Very extensive and useful list of websites to find sources at. The Wikipedia List of free online resources page – provides many resources for source searching. The Wikipedia List of search engines article – provides a list of additional search engines that can be utilized.

The paper has been appropriately reviewed through formal or informal peer review. Any serious scientific journal is formally peer-reviewed, though white and gray literature may be less transparent in their review methodology. Experimental and mathematical methods are clearly explained and are appropriate to the experiment.

A review article is an article that summarizes the current state of understanding on a topic within a certain discipline. A review article is generally considered a secondary source since it may analyze and discuss the method and conclusions in previously published studies. It resembles a survey article or, in news publishing, overview article ...