A tracer study of presaging deposition of scale forming compounds on Centro Mel surfaces / 
by Howard L. Recht ? [et al.] 
 - Washington, D. C. :  United States Government Printing Office,  1971 
 - ii, 34 p. ;  26 cm. 
 - Research and development progress report ;  521 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Automatic control--Data processing<br/>Electronic data processing-- Distributed processing
<br/><br/><label>Dewey Class. No.: </label>629.89