1. H.P. Dunn, The USAF CH-3C helicopter V/STOL in-flight refueling program and its operational uses and implications, 22nd Annual Forum and Technology Display of the American Helicopter Society, Washington, D.C., May 11-13, 1966.
2. B.E. Kashawlic, J.G. Irwin-III, J.S. Bender, M. Schwerke, MH-47G DAFCS helicopter aerial refueling control laws, 67th Annual Forum and Technology Display of the American Helicopter Society, Virginia Beach, VA, May 3-5, 2011.
3. Advances in air to air refuelling;Thomas;Progr. Aerospace Sci,2014
4. Evaluation of a real-time simulation environment for helicopter air-to-air refuelling investigations;Schmidt;Aeronaut. J,2023
5. P. Löchert, S.O. Schmidt, T. Jann, M. Jones, Consideration of tanker's wake flow for helicopter air-to-air refueling, AIAA Aviation Forum, Virtual, Aug. 2-6, 2021. https://doi.org/10.2514/6.2021-2561.