Periodical papers, patent documents, scientific and technological reports, meeting minutes, dissertations, etc. Belongs to the main document. Primary literature is the literature with the largest number, the largest variety, the freshest content, the widest application and the greatest influence in the whole literature.

The original literature has the following characteristics:

1, the content is original, which is the author's own work experience, observation or practical research results. This kind of literature is advanced and novel, reflecting the latest research results in related fields.

2. The contents of the literature are detailed and can be used for research.

3. A large number of primary documents are scattered in various periodicals, media, conference proceedings, books, serial publications and special documents, which are difficult to find.

Extended data

Literature information resources can be divided into first-class literature, second-class literature and third-class literature according to processing conditions; According to the carrier form, there can be written documents, printed documents, microfilms, audio-visual documents, machine-readable documents and so on. According to the subject scope of the content, there are social science documents, scientific and technological documents and so on.

A particular document may have the characteristics of two or more types of documents. For example, Journal of Nanjing University (Social Science Edition) is not only a periodical, but also a first-class document, printed document and social science document.

The national standard "File Types and File Carrier Codes" (GB3469-83) divides files into 26 types according to actual standards.

Namely: monographs, newspapers, periodicals, conference proceedings, compilations, dissertations, scientific reports, technical standards, patent documents, product samples, Chinese translations, manuscripts, reference tools, retrieval tools, documents, charts, ancient books, music scores, microfilms, microfilms, tapes, records, videos, movies, slides, and others (Braille, etc.). ).

There are 1 1 types of documents: books, newspapers, dissertations, conference materials, patent documents, scientific and technological reports, product materials, scientific and technological archives, standard materials, government publications and online texts.

Baidu Encyclopedia-Literature Information Resources

Baidu encyclopedia-literature