Johansen D A <br/><br/>
Plant microtechnique 
Johansen D A 
 - 1 
 -  1940 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>49913 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electron Microscopy
<br/><br/><label>Dewey Class. No.: </label>I:19, H02