Johansen, Donald Alexander. <br/><br/>
Plant microtechnique 

 - New York :  MacGraw-Hill,  1940 
 - 53 p.  : ilus 
<br/><br/><label>LCCN: </label>17247 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Microscopio y microscopía.
<br/><br/><label>Dewey Class. No.: </label>578  / J64