On the nature and distribution of solar radiation / 
United States Department of Energy, Assistant Secretary for Energy Technology, Division of Solar Technology, Environmental and Resource Assessments Branch 
 - Washington, D. C. :  The Departement,  1978 
 - 256 p. :  ill. ;  28 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Solar radiation<br/>Solar radiation--United States
<br/><br/><label>Dewey Class. No.: </label>523.72