Knudsen, Jens W. <br/><br/>
Biological techniques :  collecting, preserving, and illustrating plants and animals / 
by Jens W. Knudsen. 
 - New York :  Harper & Row,  1966. 
 - xi, 525 p. :  illus.  24 cm. 
<br/><br/>Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biological specimens--Collection and preservation.
<br/><br/><label>Dewey Class. No.: </label>579  / KNB 1966