1. Bowman , R. S. R. C. Rice Accelerated herbicide leaching resulting from preferential flow phenomena and its implications for groundwater contamination, Proceedings of the Conference on Southwestern Groundwater Issues, Phoenix, AZ 20 29 Dublin, Ohio 1986
2. Butters , G. L. Field scale transport of bromide in unsaturated soil Riverside 1987
3. Field scale transport of bromide in an unsaturated soil, 1, Experimental methodology and results;Butters;Water Resour. Res.,1989