Cohn, A.I   <br/><br/>
Tests and reagents chemical and microscopical  (Book) 

 - London  John Wiley  1903 
 - 283 p.  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemical tests and reagents
<br/><br/><label>Universal Decimal Class. No.: </label>543-41 COH  / 5771