Wallis, T. E. (Thomas Edward) <br/><br/>
Analytical microscopy :  its aims and methods in relation to foods, water, spices and drugs. 

 - 3rd ed. 
 - London :  Churchill,  1965. 
<br/><br/>Bibliography: p. 216-220. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Microscopy