The NTIS database on ORBIT :
a search guide.

APA Citation

United States. National Technical Information Service. (1992). The NTIS database on ORBIT: a search guide. Springfield, VA (5285 Port Royal Rd., Springfield 22161): U.S. Dept. of Commerce, National Technical Information Service.

MLA Citation

United States. National Technical Information Service. The NTIS Database On ORBIT: a Search Guide. Springfield, VA (5285 Port Royal Rd., Springfield 22161): U.S. Dept. of Commerce, National Technical Information Service, 1992.

Warning: These citations may not always be complete (especially for serials).