Anonymous citations are indexed under the title of the original journal, book, etc. Minor words of book titles are commonly eliminated, and major words may be truncated. For newspapers or magazines, the month and day of publication may be given immediately following the title with no intervening comma. Sometimes the publication year is omitted from the journal citation, and only the vol-ume number is used. Variant forms of entry are quite common in citations to anonymous material.
Variant entries are still more common in anonymous citations to books and reports.
A cited patent entry usually contains a country code followed by a patent number, year, and sometimes the inventor. 2000 Inst for Sci Info. The CW field can be used to find out how many times a particular journal has been cited in the core journal literature. This field can also be used to find documents that cite a particular book. The CW field is extracted from the Cited Reference field.