What does the literature include? What's the difference between patent literature and periodical literature?

Multiple principals are separated by ",". Please note that the abbreviation "."is not allowed in this data. The main person in charge only lists the names, and then does not add the responsibilities such as "writing", "editing", "editor-in-chief" and "co-editing". B. Title and version of the document (the first version is abbreviated). C. identification of file type and carrier type. D. Publication project (place of publication, publisher, year of publication). E. the source of the document or the accessible address of the electronic document. The starting and ending page numbers of the document. G. Document standard number (standard number, patent number ...). Document type identification M C N J D R S P(2) For precipitated documents in monographs and papers, the single letter "A" is recommended for document type identification; For other unspecified literature types, it is suggested to use the single letter "Z". Electronic file type identification DB CP EB(4) carrier type of electronic file and its identification [file type identification/carrier type identification] such as [DB/ol]- online database [DB/mt]- database on tape [m/CD]. -CD Monograph [CP/DK]- Disk Computer Program [EB/OL]- Online bulletin board system.