1. Channel slope factor in flood frequency analysis;Benson;Am. Soc. Civ. Eng., J. Hydraul. Div.,1959
2. Ridge regression: application to non-orthogonal problems;Hoerl;Technometrics,1970
3. Long term storage capacity of reservoirs;Hurst;Am. Soc. Civ. Eng., Trans.,1951
4. Probability distribution of annual droughts;Joseph;Am. Soc. Civ. Eng., J. Irrig. Drain. Div.,1970
5. Hydrologic budget of continents and estimate of the balance of global fresh water resources;Lvovich;Sov. Hydrol.,1972