Sharing the sun solar technology in the sevnties: joint con-ference American Section, International Solar Energy Societ-y and Solar Energy Society of Canada, Inc., august 15-20, 1-976, Winnipeg. Volume 2: Solar collectors 

 - Cape Canaveral, Flo. : International Solar Energy Society, American Section 
 - [406] p. 
<br/><br/> "Contains sections 3.1 and 3.2".