Perry, A <br/><br/>
Calcium bentonite clay / 
A. Perry. 
 - U.S.A. :  Xlibris .  c2015 
 - 201 P . : 
<br/><br/><label>ISBN: </label>9781514411773 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Clay
<br/><br/><label>Dewey Class. No.: </label>553.61  / P462c