@article{CoHiVi2009,
Author = {Andrew Colombi and Anil N. Hirani and Benjamin F. Villac},
Title = {Structure Preserving Approximations of Conservative Forces for Application to Small Body Dynamics},
Doi = {10.2514/1.42067},
Journal = {Journal of Guidance, Control and Dynamics},
Month = {November-December},
Note = {A publication of the American Institute of Aeronautics and Astronautics},
Number = {6},
Pages = {1847--1858},
Publisher = {American Institute of Aeronautics and Astronautics (AIAA)},
Volume = {32},
Year = {2009}}