Monograph -M, Essays -C, Newspaper Articles -N, Journals -J, Papers -D, Reports -R, Standards -S, Patents -P, with "A" for documents separated from monographs and papers, and "Z" for other unspecified documents. Electronic literature, database -DB, program -CP, electronic bulletin -EB, whose carrier tape is MT, disk is DK, CD, network is OL, and its description format is [document type identification/carrier type identification].
Several problems that should be paid attention to in cataloging
(1) Numbers such as serial number, version, publication year, issue number and page number. They are all represented by Arabic numerals, and the western version is represented by ordinal abbreviations.
(2) The author's surname is used before the first name, and the foreign author's first name is abbreviated, without "."after the abbreviated name.
(3) When there are no more than 3 authors, all of them are listed and separated by ","; When there are more than three, only the first three are written, followed by ","and so on. , "etal" in Latin and "he" in Japanese.
(4) If there is no author or the author is unknown, add "Anonymous" in Chinese and "Anonymous" in western languages.
(5) All Chinese titles should be written in full names, and western titles can be abbreviated as the model of IndexMedicus.
(6) [Supplement] should be followed by [supply] or [supply].