Rangelova, E. ., Wal, W. ., & Sideris, M. G. (2010). Spatiotemporal Analysis of the GRACE-Derived Mass Variations in North America by Means of Multi-Channel Singular Spectrum Analysis (Vol. 135, pp. 539–546). Berlin, Heidelberg: Springer Berlin Heidelberg. http://doi.org/10.1007/978-3-642-10634-7_72