v12 versus v11 A page comparing
the design and capabilities of the new and old versions.
Details of XSPEC redesignA site section displaying the design details and implementation of the new XSPEC version 12.
For an overview
of the redesign project, see Redesign & Reimplementation of XSPEC Dorman, Ben & Arnaud, K. A. 2001 in
Astronomical Data Analysis Software and Systems X, ASP Conference
Proceedings, Vol. 238. Edited by F. R. Harnden, Jr., Francis A. Primini,
and Harry E. Payne. San Francisco: Astronomical Society of the Pacific,
p.415
