1. Ahrens, C. D., and R. Henson, 2018: Meteorology Today: An Introduction to Weather, Climate, and the Environment. Cengage Learning, 656 pp.
2. American Meteorological Society, 2014: Mandatory levels. Glossary of Meteorology, https://glossary.ametsoc.org/wiki/Mandatory_level.
3. Baldwin, M., R. Treadon, and S. Contorno, 1994: Precipitation type prediction using a decision tree approach with NMCs mesoscale eta model. Preprints, 10th Conf. on Numerical Weather Prediction, Portland, OR, Amer. Meteor. Soc., 30–31.
4. Effects of ambient temperature on the incidence of myocardial infarction;Bhaskaran, K.,2009
5. A method to determine precipitation types;Bourgouin, P.,2000