1. Generalized Rainfall - Duration - Frequency Relationships
2. Chen C. L. “Urban Storm Runoff Inlet Hydrograph Study. Synthetic Storms for Design of Urban Highway Drainage Facilities ” Vol. 4 Utah Water Research Laboratory Report PRWG106‐4 Utah State University Logan Utah 1975.
3. Chen C. L. “Urban Storm Runoff Inlet Hydrograph Study. Synthetic Storms for Design of Urban Highway Drainage Facilities ” Vol. 4 Federal Highway Administration Report No. FHWA‐RD‐76‐119 Washington D.C. 1976 (available from U.S. National Technical Information Service Springfield Va. as PB‐263 988).
4. Chow V. T. “Frequency Analysis of Hydrologic Data with Special Application to Rainfall Intensities ” University of Illinois Bulletin Series No. 414 Engineering Experiment Station University of Illinois Urbana Ill. 1953.
5. Limiting forms of the frequency distribution of the largest or smallest member of a sample