1. Groundwater flow systems and stream nets in The Netherlands;De Vries,1974
2. The groundwater outcrop-erosion model; evolution of the stream network in The Netherlands;De Vries;J. Hydrol.,1976
3. The stream network in The Netherlands as a groundwater discharge phenomenon;De Vries;Geol. Mijnbouw,1977
4. Runoff production in a humid area;Dunne,1969
5. Hydrology, mechanics, and geomorphic implications of erosion by subsurface flow;Dunne;Geol. Soc. Am., Spec. Pap.,1990