Improved Pel-Recursive Motion Compensation. - D. Walker; Kamisetty Ramamohan Rao (IEEE Trans. Commun., 1984)

Motion-Compensated Coder. - D. Walker; Kamisetty Ramamohan Rao (IEEE Trans. Commun., 1987)

The Morph Project in 2004. - D. Walker; Robert Levinson (J. Int. Comput. Games Assoc., 2004)