Stable isotope chronology and climate signal calibration in neotropical montane cloud forest trees, Anchukaitis, K. J.; Evans, M. N.; Wheelwright, N. T.; Schrag, D. P. , Journal of Geophysical Research-Biogeosciences, Aug 30, Volume 113, Issue G3, p.-, (2008), Doi 10.1029/2007jg000613 Abstract