The Future of aerospace  proceedings of a symposium held in honor of Alexander H. Flax, Home Secretary, National Academy of Engineering.  [electronic resource] : 

 - Washington, D.C. :  National Academy Press,  1993. 
 - vi, 81 p. :  ill. 
<br/><br/> "The symposium ... was held 28 February 1992"--T.p. verso. 
<br/><br/><br/>Electronic reproduction. Ann Arbor, MI : ProQuest, 2015. Available via World Wide Web. Access may be limited to ProQuest affiliated libraries. 
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<br/><br/><label>Subjects--Topical Terms: </label><br/>Aeronautics--Research--United States--Congresses.<br/>Space flight--Research--United States--Congresses.<br/>Flying-machines--Design and construction--Research--United States--Congresses.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Electronic books.
<br/><br/><label>LC Class. No.: </label>TL521  / .F88 1993 
<br/><br/><label>Dewey Class. No.: </label>629.1