Libby, L M <br/><br/>
Temperature dependence of isotope ratios in tree rings.  [electronic resource] 

 -  Proceedings of the National Academy of Sciences of the United States of America  Jun 1974 
 - 2482-6 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0027-8424 
<br/><br/><label>Standard No.: </label>10.1073/pnas.71.6.2482  doi