Proof: the general purpose animator. - Nancy J. Earle; Daniel T. Brunner; James O. Henriksen (WSC, 1990)

Proof animation: the general purpose animator. - Daniel T. Brunner; Nancy J. Earle; James O. Henriksen (WSC, 1991)

Proof animation: the general purpose animator. - James O. Henriksen; Nancy J. Earle (WSC, 1992)

PROOF animation: better animation for your simulation. - Nancy J. Earle; James O. Henriksen (WSC, 1993)

Proof animation: reaching new heights in animation. - Nancy J. Earle; James O. Henriksen (WSC, 1994)

The Power and Performance of Proof Animation. - Nancy J. Earle; James O. Henriksen (WSC, 1995)