Butler, Thomas G. <br/><br/>
Nastran : 

 - Washington D C :  National Aeronautics and Space Administration,  1971. 
 - 22 p. :  ill. ;  26 cm. 
 - National Aeronautics and Space Administration special publications  260 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Structural integrity<br/>Stress analysis<br/>Modal analysis
<br/><br/><label>Dewey Class. No.: </label>629.41  / BUT