Techniques to improve the regressor matrix condition for real-time parameter identification. - Anhtuan D. Ngo; David B. Doman (ACC, 2001)

Footprint calculation methods for a reusable launch vehicle. - Anhtuan D. Ngo; David B. Doman (ACC, 2002)

Footprint generation for reusable launch vehicles using a direct pseudospectral method. - Fariba Fahroo; David B. Doman; Anhtuan D. Ngo (ACC, 2003)