Von Koch, Helge <br/><br/>
Instruments and measurements 
 chemical analysis, electric quantities, nucleonics and process control 

 - New York  Academic Press  1961 
 - 2v. : ill 
<br/><br/><label>ISBN: </label>0127257020 
<br/><br/><label>LC Class. No.: </label>QC 39 Int