Dogra, Sudhanshu. <br/><br/>
An experimental investigation of a double pass solar air heater having inclined and transverse ribs on the absorber plate. 

 - Hamirpur :  National Institute of Technology,  2012 
 - xv, 90p. 
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<br/><br/><label>Dewey Class. No.: </label>621.4  / DOG