Gibson, John S. <br/>
       Non-engine aerodynamic noise investigation of a large aircraft [NASA CR-2378] 
 / John S. Gibson 
 .- Washington, D. C.: National Aerodynamics and Space Administration,  1974 
 .- 53p. 
.- ( National Aerodynamics and Space Administration NASA Technical Note   
<br/>Bound vol. contains NASA CR 2368-2369-2377-2378 
<br/><u>Subject Headings:</u> <br/>Large aircraft;