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2. Efficient sizing of a cargo rotorcraft;Meier;J. Aircr.,1988
3. Formation control of a rotorcraft multilift system;Enciu;J. Am. Helicopter Soc.,2017
4. Load distribution control and swing angle feedback for an autonomous dual lift system with flight test results;Berrios,2018
5. Equations of motion of slung load systems including multi-lift systems;Cicolani,1991