Reference and the research process are explained in OWL 9 . Reference Desk see Information Desk renewal an extension of the loan period for checked out library materials. Renewals may be handled in person at the HSU Library Circulation Desk or by calling 826-3191 reserves materials which a professor has placed on reserve for a class to use. Serials published at least once every five years are considered regular. If more than five years goes by between volumes, they are considered irregular.
Periodicals are serials.
Other examples are annual publications like the phone book and biennial publications like the HSU Catalog. Subject headings are also called descriptors. Determining the correct subject headings for a specific database or catalog is an important part of effective research. See also thesaurus . T term a word or a phrase, may be a subject heading, title, or name of a person or group textbook a book written specifically for an academic course, often containing valuable summary information on a topic thesaurus list of all the subject headings or descriptors used in a particular database, catalog, or index, showing relationships among them truncation using a special symbol instead of the end of a word in an electronic search to retrieve all possible endings of that word.