Application closed-cycle cry coolers to small super conducting / 
edited by James E. Zimmermana and Thomas M. Flynn 
 - Washington, D.C. :  U.S. Government Printing Office,  1978 
 - 251 p. ;  26 cm. 
 - NBS special publications ;  508 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Air conditioning<br/>Ventilation
<br/><br/><label>Dewey Class. No.: </label>697.9