1. Effects of ice accretions on aircraft aerodynamics
2. Anon. "Reduce Dangers to Aircraft Flying in Icing Conditions," Most Wanted Transportation Safety Improvements-Federal Issues: Aviation [online bulletin], National Transportation Safety Board Recommendations and Accomplishments, http://www.ntsb.gov/Recs/mostwanted/air_ice.htm [cited on 17 November 2005]. (This bulletin is online only.)