Helferich, Burckhardt <br/><br/>
Allgemeine chemische Methoden 

 -  Thieme Medical Publisher Pvt. Ltd.  1954 
<br/><br/><label>ISBN: </label>9783131962645 
<br/><br/><label>Source: </label>EBOOK 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemistry