TY - RPRT TI - Automated composite ellipsoid modelling for high frequency GTD analysis AU - Sze, K. Y. AU - Rojas, R. G. AU - Klevenow, F. T. AU - Scheick, J. T. PY - 1991 UR - https://ntrs.nasa.gov/citations/19920008098 ID - 19920008098 ER -