Exploration of long-term growth changes using the tree-ring detrending program "Spotty"
Esper, J., Krusic, P. J., Peters, K., & Frank, D. (2009). Exploration of long-term growth changes using the tree-ring detrending program "Spotty". Dendrochronologia, 27(1), 75-82. https://doi.org/10.1016/j.dendro.2008.07.003