@inproceedings{inproceedings94663293,
title   = {Modeling close enconters with massive asteroids: a markovian approach},
author = {Carruba, V and Roig, F and Ferraz-Mello, Sylvio and Michtchenko, Tatiana Alexandrovna and Nesvorný, David},
year = {2006},
publisher = {Associação Aeroespacial Brasileira},
booktitle   = {Colóquio Brasileiro de Dinâmica Orbital}
}