Knudsen, Jens W. <br/><br/>
Biological Techniques 
/ by Jens W. Knudsen 
 - London :  Harper and Row,  1966 
 - XI, 510 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology
<br/><br/><label>Dewey Class. No.: </label>570  / KNU-B