Fletcher, J A <br/><br/>
How altruism evolves: assortment and synergy.  [electronic resource] 

 -  Journal of evolutionary biology  Sep 2006 
 - 1389-93; discussion 1426-36 p.  digital 
<br/><br/> Publication Type: Comment; Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S. 
<br/><br/><label>ISSN: </label>1010-061X 
<br/><br/><label>Standard No.: </label>10.1111/j.1420-9101.2006.01146.x  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Altruism<br/>Animals<br/>Behavior, Animal<br/>Biological Evolution<br/>Cooperative Behavior<br/>Game Theory<br/>Humans<br/>Models, Biological<br/>Selection, Genetic