National Weather Service - 2002

Lackmann, G. M., Ek, M. B., & Keeter, K. (2002). NWP biases in freezing rain forecasts. Bulletin of the American Meteorological Society, 83(9), 1274–1275.

Lackmann, G. M., Keeter, K., Lee, L. G., & Ek, M. B. (2002). Model representation of freezing and melting precipitation: Implications for winter weather forecasting. WEATHER AND FORECASTING, 17(5), 1016–1033. https://doi.org/10.1175/1520-0434(2003)017<1016:MROFAM>2.0.CO;2