1. Anderson, R. L., , T. A., Bancroft, , Statistical theory in research, McGraw-Hill, New York, 1952,
2. Snyder, Willard M., , Some linear models for multiple regression analysis in hydrology, Duplimat reproduction by Tennessee Valley Authority, Knoxville, Tenn., 1956,
3. Recent developments in water supply forecasting from precipitation;Kohler;Trans. Amer. Geophys. Union,1949
4. Base flow as a parameter in forecasting the April–June runoff;Nelson;Proc., West. Snow Conf.,1953
5. Low winter streamflow as an index to short and long term carry-over effects in water supply forecasting;Peck;Proc., West. Snow Conf.,1954