Retraction: Bird-like fossil footprints from the Late Triassic.  [electronic resource] 

 -  Nature  Sep 2013 
 - 262 p.  digital 
<br/><br/> Publication Type: Retraction Notice 
<br/><br/><label>ISSN: </label>1476-4687 
<br/><br/><label>Standard No.: </label>10.1038/nature12497  doi