@inbook{799,
  author = {John McPhee},
  editor = {W Schiehlen},
  title = {Two Different Methods for Simulating the Motion of Variable-Mass Multibody Systems},
  year = {1993},
  journal = {Advanced Multibody System Dynamics: Simulation and Software Tools},
  pages = {385-390},
  publisher = {Kluwer Academic},
}