"The aeronautical and space activities of the United States shall be 

 conducted so as to contribute . . . to the expansion of human knowl- 

 edge of phenomena in the atmosphere and space. The Administration 

 shall provide for the widest practicable and appropriate dissemination 

 of information concerning its activities and the results thereof." 



— ^National Aeronautics and Space Act of 1958 



NASA SCIENTIFIC AND TECHNICAL PUBLICATIONS 



TECHNICAL REPORTS: Scientific and technical information considered 

 important, complete, and a lasting contribution to existing knowledge. 



TECHNICAL NOTES: Information less broad in scope but nevertheless 

 of importance as a contribution to existing knowledge. 



TECHNICAL MEMORANDUMS: Information receiving limited distri- 

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CONTRACTOR REPORTS: Technical information generated in con- 

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TECHNICAL TRANSLATIONS: Information published in a foreign 

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TECHNICAL REPRINTS: Information derived from NASA activities 

 and initially published in the form of journal articles. 



SPECIAL PUBLICATIONS: Information derived from or of value to 

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 NASA-programmed scientific efforts. Publications include conference 

 proceedings, monographs, data compilations, handbooks, sourcebooks, 

 and special bibliographies. 



Details on the availability of these publications may be obtained from: 



SCIENTIFIC AND TECHNICAL INFORMATION DIVISION 

 NATIONAL AERONAUTICS AND SPACE ADMINISTRATION 



Washington, D.C. 20546 



