1. Erosion: Prevention and Useful Applications,1979
2. Proc. 6th Int. Conf. on Erosion by Liquid and Solid Impact;Tabakoff,1983
3. Proc. 6th Int. Conf. on Erosion by Liquid and Solid Impact;Mills,1983
4. Proc. 5th Int. Conf. on Erosion by Liquid and Solid Impact;Dapkunas,1979