Crowson, R. A. (Roy Albert) <br/><br/>
Classification and biology 
[by] R. A. Crowson. 
 - London,  Heinemann Educational,  1970. 
<br/><br/>Bibliography: p. [307]-319. 
<br/><br/><label>ISBN: </label>0435629840  63/- 
<br/><br/><label>LCCN: </label>72483529 //r84 
<br/><br/><label>Nat. Bib. No.: </label>B70-07601 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology -- Classification.--Biology -- Classification.
<br/><br/><label>LC Class. No.: </label>QH83  / .C75 
<br/><br/><label>Dewey Class. No.: </label>574/.01/2