Citation: M. Grau et G. Gonzalez-casado, Dynamical behavior of asteroids near resonance: The 4 : 1 gap and the 7 : 2 group, CEL MEC DYN, 72(3), 1998, pp. 169-186
Citation: S. Breiter et G. Metris, Symplectic mapping for satellites and space debris including nongravitational forces, CEL MEC DYN, 71(2), 1998, pp. 79-94
Citation: Dl. Maranhao et Je. Llibre, Ejection-collision orbits and invariant punctured tori in a restricted four-body problem, CEL MEC DYN, 71(1), 1998, pp. 1-14