DasLS09'

@article{DBLP:journals/jirs/DasLS09,
  author    = {Abhijit Das and
               Frank L. Lewis and
               Kamesh Subbarao},
  title     = {Backstepping Approach for Controlling a Quadrotor Using
               Lagrange Form Dynamics},
  journal   = {Journal of Intelligent and Robotic Systems},
  volume    = {56},
  number    = {1-2},
  year      = {2009},
  pages     = {127-151},
  ee        = {http://dx.doi.org/10.1007/s10846-009-9331-0},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}