1. R. E. Doan William M. Mebane Impact of Satellite Navigation on Marine Geophysical Surveys 1418 September, 1969
2. The Navy Navigation Satellite System: Description and Status;Stansell;NAVIGATION,Fall 1968
3. An Integrated Geophysical Navigation System Using Satellite-Derived Position Fixes;Stansell;Offshore Technology Conference Preprints,May 1821, 1969
4. Dr. David R. Reinhartsen The GEO NAV System November 3, 1969
5. Alton B. Moody High Accuracy Offshore Navigation November 4, 1969