Fraedrich, Klaus F. Max Planck Fellows, MPI for Meteorology, Max Planck Society;
Bordi, I., Zhu, X., & Fraedrich, K. F. (2016). Precipitable water vapor and its relationship with the Standardized Precipitation Index: ground-based GPS measurements and reanalysis data. Theoretical and Applied Climatology, 123, 263-275. doi:10.1007/s00704-014-1355-0.