Initial Orbit Determination using Short-Arc Angle and Angle Rate Data. - Kyle J. DeMars; Moriba K. Jah; Paul W. Schumacher (IEEE Trans. Aerosp. Electron. Syst., 2012)

On mutual information for observation-to-observation association. - Islam I. Hussein; Christopher W. T. Roscoe; Matthew P. Wilkins; Paul W. Schumacher (FUSION, 2015)