Hoffman, E P <br/><br/>
An expanding enigma.  [electronic resource] 

 -  Current biology : CB  Jul 1993 
 - 456-9 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0960-9822 
<br/><br/><label>Standard No.: </label>10.1016/0960-9822(93)90356-s  doi