Liu, Shiao-Kung,  <br/><br/>
Aerospace-plane flights and stratospheric ozone :  review and preliminary assessment of the National Aerospace Plane (NASP) Operations / 
S. K. Liu ; prepared for the United States Air Force. 
 - xvi, 52 pages :  illustrations ;  28 cm. 
 - A Rand note ;  N-3464-AF .
 - A Rand note ;  N-3464-AF  .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label> Hadiah 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Supersonic planes--Environmental aspects.<br/>Hypersonic planes--Environmental aspects. <br/>Ozone layer depletion.