1. American Public Health Association. (1992). Standard Methods for the Examination of Water and Wastewater 18th Ed. A. Greenberg L. Clesceri and A. Eaton eds. Water Environment Federation Washington D.C.
2. American Society for Testing and Materials (ASTM) (Reapproved). 1990). “Standard test method for particle-size analysis of soils.” Annual Book of Standards Designation: D 422-63 Vol. 04.08 Philadelphia 10–16.
3. American Society for Testing and Materials (ASTM) (Reapproved). 1993). “Standard practice for dry preparation of soil samples for particle size analysis and determination of soil constants.” Annual book of standards Designation: D 421-85 Vol. 04.08 Philadelphia 8–9.
4. American Water Works Association (AWWA). (1992). Evaluation of particle counting as a measure of treatment plant performance AWWA Research Foundation Denver.
5. The hyperbolic distribution of particle sizes