@inproceedings{11311_971166,
  author    = {Dei Tos, Diogene Alessandro and Topputo, Francesco},
  title     = {On the Advantages of Using a Strict Hierarchy to Model Astrodynamical Problems},
  year      = {2015},
  booktitle = {66th International Astronautical Congress (IAC 2015)},
  pages     = {5479--5490},
  publisher = {Curran Associates},
  isbn      = {978-1-5108-1893-4},
}