Inluded the Farrow et al., 1995 reference for the reduced spectral density mapping.
See the post at https://mail.gna.org/public/relax-users/2006-11/msg00019.html (Message-id: <7f080ed10611292134te556ee5yaed8241fe8888dfd@...>) for more details.
Authored by: bugman 2006-11-30
Parent: [r2899]
Child: [r2901]
