Crawford, R.F [etal.] <br/>
       Spoked wheels to deploy large surfaces in spaces : Weight estimates for solar arrays 
 / Crawford, R.F 
 .- Washington, D.C: National aeronautics and space administration,  1975 
 .- 55p. 
.- ( National aeronautics and space administration   
<br/><u>Subject Headings:</u> <br/>Solar Arrays;
<br/><U>Author Added Entry: </u><br/>Hedgepeth, J.M. ,Preiswerk P.R;