Galster, Helmuth <br/><br/>
P-H measurement 

 - Weinheim  VCH  1991 
 - xvii, 356p. 
<br/><br/> Donated by Innodata Lanka (pvt) Ltd. 
<br/><br/><label>ISBN: </label>3527282378 
<br/><br/><label>Universal Decimal Class. No.: </label>543.554.2  / G 14