Helmet, R.  . <br/><br/>
Problems in inorganic chemistry /  
by Fritz Helmet. 
 - New Delhi :   Sarup & Sons ,   2002 
 - 294p :  
<br/><br/><label>ISBN: </label>81-7625-050-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemistry
<br/><br/><label>Dewey Class. No.: </label>E1  / P2;3