1. L. C. Brown, and T. O. Barnwell , 1987 .The Enhanced Stream Quality Models QUAL2E and QUAL2E-UNCAS: Documentation and Users Manual. EPA/600/3-87/007.
2. EPA , 1990 .CORMIX1: An Expert System for Mixing Zone Analysis of Conventional and Toxic Port Aquatic Discharges. EPA/600/3-90/012.
3. EPA , 1988 .Storm Water Management Model Version 4 User's Manual. EPA/600/3-88/001a (NTIS PB88-236641).