@article{CTT100417116,
  author = {Mitsuji Sampei and Eiji Kato and Katsuhisa Furuta},
  title = {Approximate Input-Output Linearization of Nonlinear Systems},
  journal = {Transactions of Society of Instrument and Control Engineers Japan},
  year = 1988,
}

@article{CTT100417117,
  author = {Mitsuji Sampei and Katsuhisa Furuta},
  title = {Robot Control in the Neighborhood of Singular Points},
  journal = {IEEE Journal of Robotics and Automation},
  year = 1988,
}

@article{CTT100417118,
  author = {Katsuhisa Furuta and Mitsuji Sampei},
  title = {Pash Control of a Three-Dimensional Linear Motional Mechanical System Using Laser},
  journal = {IEEE Transactions on Industrial Electronics},
  year = 1988,
}