Vaaler, L. E. <br/><br/>
Scale control with graphite heat transfer tubes of controlled permeability to steam / 
by L. E. Vaaler and C. E. Hulswitt 
 - Washington, D.C. :  U.S. Government Printing Office,  1967 
 - Various pagings ;  26 cm. 
 - Research and development progress report ;  no. 272 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Heat engineering<br/>Heat exchangers
<br/><br/><label>Dewey Class. No.: </label>621.402