1. Bishop, K. H.: 1991a,Episodic increase in stream acidity, catchment flow pathways and hydrograph separation, Doctoral Dissertation, University of Cambridge. 246 pp.
2. Bishop, K. H.: 1991b,Vatten. 47, 330?335.
3. Bishop, K.: 1994,Return Flow in Till Hillslopes. Swedish University of Agricultural Sciences, Department of Forest Ecology, Report Series No. 25, 36 pp.
4. Bishop, K. H., Grip, H., and O'Neill, A.: 1990,J. Hydrol. 116, 35?61.
5. Bishop, K. H., Lundström, U. S., and Giesler, R.: 1993,Appl Geochem. Special Issue No. 2. 11.