Concepts of biology 

 - Washington D C:   National Academy of Science,    1958 
 - 215p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science
<br/><br/><label>Subjects--Index Terms: </label>Science Biotechnology 
<br/><br/><label>Universal Decimal Class. No.: </label>57:001.89  / J8