629.53  / Un3t <br/>
       TECHNICAL SUMMARY AND COMPILATION OF CHARACTERISTICS AND SPECIFICATIONS ON STEEPGRADIENT AIRCRAFT 
 / 
 .- Washington, D. C.: U. S. Govt. Print. Off.,  1961 
.- ( Its Project Hummingbird  Technical Report   
<br/><u>Subject Headings:</u> <br/>Aeroplane -- Design And Construction;<br/>Airports -- Runways;
<br><U>Copy Details:</u><br> Acc. No.: <b>55961</b>, Full Call No.: 629.53 Un3t,   Item type:  Books , Location: COMPACT STORAGE (BASEMENT), <br><b>------------------------- --------------------- ------ --------- ------- ------- --------- -------- </b><br>