@Article{guadarramaolvera:ral:2022,
  author    = {Guadarrama-Olvera, J. Rogelio and Kajita, Shuuji and Cheng, Gordon},
  title     = {Preemptive Foot Compliance to Lower Impact During Biped Robot Walking Over Unknown Terrain},
  journal   = {IEEE Robotics and Automation Letters},
  year      = {2022},
  volume    = {7},
  number    = {3},
  pages     = {8006-8011},
  month     = {July},
  doi       = {10.1109/LRA.2022.3187253},
  url       = {https://ieeexplore.ieee.org/document/9810342},
  publisher = {IEEE-INST Electrical Electronics Engineers Inc},
  address   = {445 Hoes Lane, Piscataway, NJ 08855-4141, USA}
}