1. American Association of State Highway and Transportation Officials. (AASHTO) (1987). Drainage handbook. Washington D.C.
2. American Concrete Pipe Association. (1981). Concrete pipe handbook. ACPA Arlington VA.
3. American Society of Civil Engineers. (1969). "Design and construction of sanitary and storm sewers." Manuals and reports on engineering practice No. 37 ASCE New York.
4. American Society of Civil Engineers. (1975). "Sedimentation engineering." Manuals and reports on engineering practice No. 54 ASCE New York.
5. Anderson A.G. and Dahlin W.Q. (1968). Model studies-Lawrence Avenue sewer system City of Chicago. University of Minnesota Minneapolis.