chelpg          - CHELPG, Calculation of electrostatic potential-
                  derived charges from ab-initio wavefunctions
                  generated by one of the Gaussian 86/88/90 packages.
                  This program is a rotationally-invariant
                  modification of the QCPE program CHELP by Chirlian
                  and Francl (QCPE 425)

taken from nic.funet.fi
jkl