1. “CFR Part 25 Appendix C,” Federal Register Rules and Regulations, Federal Aviation Administration, 2011, https://ecfr.federalregister.gov/current/title-14/chapter-I/subchapter-C/part-25.
2. “Airplane and Engine Certification Requirements in Supercooled Large Drop, Mixed Phase, and Ice Crystal Icing Conditions,” Federal Register Rules and Regulations, Federal Aviation Administration, 2014, https://www.federalregister.gov/documents/2014/11/04/2014-25789/airplane-and-engine-certification-requirements-in-supercooled-large-drop-mixed-phase-and-ice-crystal.
3. Icing cloud calibration of the NASA Glenn Icing Research Tunnel
4. Goodrich Icing WInd Tunnel Overview, Improvements and Capabilities
5. Development of the Cox Icing Research Facility