No more heat :  a self booklet :  by Gregory E. Welsh... [et al.] 

 - Washington, D. C. :  United States Government Printing Office,  1981 
 - i, 30 p. ;  28 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Energy engineering
<br/><br/><label>Dewey Class. No.: </label>621.042