References
- Quazi , M. E. and Peterson , A. W. . A method for bridge pier riprap design. Proc . First Canadian Hydraulics Conf . pp. 96 – 106 . Edmonton : Univ. of Alberta .
- Neill , C. R. 1967 . Mean-velocity criterion for scour of coarse uniform bed-material . Proc. IAHR 12th Congress . 1967 , Fort Collins. pp. 46 – 54 .