TY - JOUR A1 - Nea, C. T1 - Lanthanum, cerium, praseodymium and yttrium in waters in an upland acidic and acid sensitive environment, mid-Wales JO - Hydrol. Earth Syst. Sci. J1 - HESS VL - 9 IS - 6 SP - 645 EP - 656 Y1 - 2005/12/31 PB - Copernicus Publications SN - 1607-7938 UR - https://hess.copernicus.org/articles/9/645/2005/ L1 - https://hess.copernicus.org/articles/9/645/2005/hess-9-645-2005.pdf DO - 10.5194/hess-9-645-2005 ER -