The package is asdf-installable. The link to the git repository is available from my homepage.
Luke Hope 20090409: the software.html page is inactive, git archive is here.
Download ASDF package from http://www.princeton.edu/~tpapp/software/cl-sparsematrix.tar.gz
CLiki pages can be edited by anyone at any time. Imagine a fearsomely comprehensive disclaimer of liability. Now fear, comprehensively