M. Bierkens

Wada, Y. ., van Beek, L. ., van Kempen, C. M., Reckman, J. W. T. M., Vasak, S. ., & Bierkens, M. . (2010). Global depletion of groundwater resources. Geophysical Research Letters, 37, 20402. http://doi.org/10.1029/2010GL044571 (Original work published October 2010)

Wada, Y. ., van Beek, L. ., Weiland, S. ., Chao, B. ., Wu, Y.-H. ., & Bierkens, M. . (2012). Past and future contribution of global groundwater depletion to sea-level rise. Geophysical Research Letters, 39. http://doi.org/10.1029/2012GL051230 (Original work published May 2012)