@article{Wu2021ParameterAdaptiveControl,
  title = {{Parameter Adaptive Control for a Quadrotor With a Suspended Unknown Payload Under External Disturbance}},
  author = {Ying Wu and Yun Xie and Sen Li},
  journal = {IEEE Access},
  year = {2021},
  volume = {9},
  pages = {139958--139967},
  doi = {10.1109/ACCESS.2021.3119396},
  url = {https://ieeexplore.ieee.org/document/9567677}
}