TY - JOUR A1 - Barthel, R. T1 - HESS Opinions "Integration of groundwater and surface water research: an interdisciplinary problem?" JO - Hydrol. Earth Syst. Sci. J1 - HESS VL - 18 IS - 7 SP - 2615 EP - 2628 Y1 - 2014/07/16 PB - Copernicus Publications SN - 1607-7938 UR - https://hess.copernicus.org/articles/18/2615/2014/ L1 - https://hess.copernicus.org/articles/18/2615/2014/hess-18-2615-2014.pdf DO - 10.5194/hess-18-2615-2014 ER -