NASA Scientific and Technical Aerospace Reports

NASA STI Availability Information
NASA Center for AeroSpace Information (CASI)
Through NASA CASI, the NASA STI Program offers many information products and services to
the aerospace community and to the public, including access to a selection of full text of the
NASA STI. Free registration with the program is available to NASA, U.S. Government agencies
and contractors. To register, contact CASI at help@sti.nasa.gov. Others should visit the program
at www.sti.nasa.gov. The ‘search selected databases’ button provides access to the NASA
Technical Reports Server (TRS) – the publicly available contents of the NASA Aeronautics and
Space Database.
Each citation in STAR indicates a ‘Source of Availability’. When CASI is indicated, the user can
order this information directly from CASI using the STI Online Order Form or contact
help@sti.nasa.gov or telephone the CASI Help Desk at 301-621-0390. Before ordering you may
access price code tables for STI documents and videos. When information is not available from
CASI, the source of the information is indicated when known.
NASA STI is also available to the public through Federal information organizations. NASA
CASI disseminates publicly available NASA STI to the National Technical Information Service
(NTIS) and to the Federal Depository Library Program (FDLP) through the Government Printing
Office (GPO). In addition, NASA patents are available online from the U.S. Patent and
Trademark Office.
National Technical Information Service (NTIS)
The National Technical Information Service serves the American public as a central resource for
unlimited, unclassified U.S. Government scientific, technical, engineering, and business related
information. For more than 50 years NTIS has provided businesses, universities, and the public
timely access to well over 2 million publications covering over 350 subject areas. Visit NTIS at
http://www.ntis.gov.
The Federal Depository Library Program (FDLP)
The U.S. Congress established the Federal Depository Library Program (FDLP) to ensure
access by the American public to U.S. Government information. The program acquires and
disseminates information products from all three branches of the U.S. Government to nearly
1,300 Federal depository libraries nationwide. The libraries maintain these information products
as part of their existing collections and are responsible for assuring that the public has free access
to the information. Locate the Federal Depository Libraries http://www.access.gpo.gov/su_docs.
The U.S. Patent and Trademark Office (USPTO)
The U.S. Patent and Trademark Office provides online access to full text patents and patent
applications. The database includes patents back to 1976 plus some pre-1975 patents. Visit the
USPTO at http://www.uspto.gov/patft/.