Solar energy makes sense now  a how-to guide to saving money with free energy from the sun /  
(written and edited by the staff of Monegan, Ltd.). 
 - Gaithersburg, Md. :  Monegan ,  1982. 
 - 41p. ill., maps. ;   29cm. 
<br/><br/> Publication no.M120 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Solar heating<br/>Solar energy