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In some fields, a secondary source may include a summary of the literature in the introduction of a scientific paper, a description of what is known about a disease or treatment in a chapter in a reference book, or a synthesis written to review available literature. [17]
The secondary literature includes review articles, monographs, chemical encyclopedias and specialist textbooks. The use of the available secondary literature is strongly recommended to reference information on chemical safety, in preference to either (primary) journal articles or (tertiary) generalist textbooks: see Wikipedia:Manual of Style ...
Some Wikipedia articles use it, giving summary information about the source together with a page number. For example, <ref>Rawls 1971, p. 1.</ref>, which renders as Rawls 1971, p. 1.. These are used together with full citations, which are listed in a separate "References" section or provided in an earlier footnote.
Sources of information are commonly categorized as primary, secondary, or tertiary sources.In brief, a primary source is one close to the event with firsthand knowledge (for example, an eyewitness); a secondary source is at least one step removed (for example, a book about an event written by someone not involved in it); and a tertiary source is an encyclopaedia or textbook that provides a ...
A typical aim would be to identify the most important documents in a collection. A classic example is that of the citations between academic articles and books. [1] [2] For another example, judges of law support their judgements by referring back to judgements made in earlier cases (see citation analysis in a legal context).
Reference books are either used very frequently—a dictionary or an atlas, for example—or very infrequently, such as a highly specialized concordance. Because some reference books are consulted by patrons too frequently to have enough copies and others so infrequently that replacing it would be difficult, libraries prefer to make them ...
Secondary research involves the summary, collation and/or synthesis of existing research. Secondary research is contrasted with primary research in that primary research involves the generation of data, whereas secondary research uses primary research sources as a source of data for analysis. [ 1 ]
Among genealogists, a primary source comes from a direct witness, a secondary source comes from second-hand information or hearsay told to others by witnesses, and tertiary sources can represent either a further link in the chain or an analysis, summary, or distillation of primary and/or secondary sources. In this system, an elderly woman's ...