Kipfer, R., Stengel, C., Berg, M., Bostick, B. C., van Geen, A., Stahl, M. O., … Viet, P. H. (2012). Evolution of arsenic and groundwater isotopes along a sharp gradient in arsenic concentrations in Van Phuc, Vietnam. In J. C. Ng, B. N. Noller, R. Naidu, J. Bundschuh, & P. Bhattacharya (Eds.), Arsenic in the environment. Proceedings. Understanding the geological and medical interface of arsenic. As 2012 (pp. 36-37).