Hastings, Leon J. <br/><br/>
An analytical and experimental investigation of a 1.8 by 3.7 meter fresnel lens solar concentrator /  by ..., Steve L. Allums and Warren S. Jensen 

 - Huntsville, Ala. :  George C. Marshall Space Flight Center,  1977 
 - United States. National Aeronautics and Space Administration. NASA technical paper ;  no. 1005 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sun--Temperature<br/>Lenses
<br/><br/><label>LC Class. No.: </label>TL789.8 U6 U57 no. 1005