Hi

I'm deseparately try to read to read this paper. Does anybody has a 
version somewhere?
LondonRalphL. &DuisbergRobert A.: ’Animatingprograms inSmalltalk’. IEEE 
Computer. 18(8), 1985, 61-71.

Or this one
R.A. Duisberg, Animation Using Temporal Constraints: An Overview of the 
ANIMUS System, Human-Computer Interaction, Volume 3, Number 3,

or that one.
DuisbergRobert A.: ’Animatedgraphical interfaces’. Proceedings of 
theSIGCHI’86. 131-136.

Stef