The Format list box lists the basic format options. The format we select is used for the records retrieved when we click Display in the Search History table. They are used for the records retrieved when we click the Display button. Identifiers are index terms assigned to a record by an indexer but are generally not from a controlled vocabulary. Identifiers frequently are proper names, geographic locations, or terms that have not yet been added to the thesaurus.
Logical operators define the logical relationships among the terms being searched.
Logical operators are also known as Boolean operators. When you logoff, all of the sets created are erased. Major U.S. Newspapers provides information from newspapers with major circulation throughout the United States. NTIS also provides access to the results of government- sponsored research and development from countries outside the U.S., including Japan, Germany, France, the United Kingdom, and other leading industrialized nations. It contains publications from trade journals, local newspapers, regional business publications, national and international business newspapers, trade and business newsletters, research studies, investment analysts' reports, news releases, and corporate annual reports.