Do you mean SETOR instead of CETOR? If you are looking for SETOR, send an
to elmo at nrcbsa.bio.nrc.ca to contact Dr. Stephen V. Evans. His phone
number was (is?) 613 990-0895 fax: 613 941-4475.
The following is my automatic signature:
Department of Mathematics
Stanford, CA 94305-2125
Tel: (415) 723 2221
Fax: (415) 725 2040