|
|||||
|
|
South American tree rings show declining δ |
|
| Authors: | STEVEN W LEAVITT ANTONIO LARA |
| Institution: | Laboratory of Tree-Ring Research, University of Arizona, Tucson, AZ 85721, USA and;Instituto de Silvicultura, Universidad Austral de Chile, Casilla 567, Valdivia, Chile |
| Abstract: | |
| Keywords: | |