There does not seem to be a direct reference to this program.
The entry below is a reference to Viking project communications.
This is the closest I could find.
O'Neil, W.J.; Rudd, R.P.; Farless, D.L.;
Hildebrand, C.E.; Mitchell, R.T.;
Rourke, K.H.; Euler, E.A., et al.:
Viking Navigation.
NASA Contractor Report 162917, November 1979.
(JPL PUBLICATION 78-38).