Knudsen, Jens W <br/><br/>
Biological techniques  collecting, preserving and illustrating plants and animals 

 - New York  Harper & Row  1966 
 - xi,525 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>LIFE SCIENCE
<br/><br/><label>Dewey Class. No.: </label>574.028  / KNU