Ricklefs, R E <br/><br/>
Natural selection and the development of mortality rates in young birds.  [electronic resource] 

 -  Nature  Aug 1969 
 - 922-5 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0028-0836 
<br/><br/><label>Standard No.: </label>10.1038/223922a0  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animals<br/>Birds--growth & development<br/>Mortality<br/>Selection, Genetic<br/>Species Specificity