2009 journal article
Asteroid diversion using a long tether and ballast
Journal of Spacecraft and Rockets, 46(3), 645–661.
2009 journal article
Near-Earth object threat mitigation using a tethered ballast mass
Journal of Aerospace Engineering, 22(4), 460–465.
2009 journal article
Parametric study of the diversion of a near Earth object on an Earth intersecting trajectory
Acta Astronautica, 65(11-12), 1698–1705.