1. Breakwaters for coastal protection - Hydraulic principles in design;Per
2. Run-up of ocean waves on breakwaters;Granthem,1953
3. Rectangular artificial roughness in open channels;Johnson;Trans. Amer. Geophys. Union,1944
4. Chap. 23, 24, and 25;Johnson,1950
5. Measurement of heights by resistance elements;Morison;Bull. Beach Erosion Bd.,1949