Ferguson, Craig R., and Gabriele Villarini. 2014. “An Evaluation of the Statistical Homogeneity of the Twentieth Century Reanalysis”. Climate Dynamics 42: 2841–2866. doi:10.1007/s00382-013-1996-1. Reference Link
Ferguson, Craig R., and Gabriele Villarini. 2012. “Detecting Inhomogeneities in the Twentieth Century Reanalysis over the Central United States”. Journal of Geophysical Research-Atmospheres 117. doi:10.1029/2011jd016988. Reference Link