@article{OsaPetNeu18,
  title = {Hierarchical Reinforcement Learning of Multiple Grasping Strategies with Human Instructions},
  journal = {Advanced Robotics},
  volume = {32},
  number = {18},
  pages = {955--968},
  year = {2018},
  slug = {osapetneu18},
  author = {Osa, T. and Peters, J. and Neumann, G.}
}