I received this data from Peter Shearer
and I received his permission to redistribute it to friends and colleagues
provided I request you to reference its origin,
should you have occasion to copy it.
Examples of earlier versions of these stacks are found in the references.
(The stacks here were done before February 1993.)
Peter may be willing to supply newer and better stacks.
His electronic mail address is shearer@mahi.ucsd.edu.
![[pdf]](icons/pdf.png){kind=icon}