1. JAFFE, L. D. and IVIE, C. V. “Science Aspects of a Mission Beyond the Planets,” Icarus, 39, 486–494, 1979.
2. HOLZER, T. E., et al. “The Interstellar Probe: Scientific Objectives for a Frontier Mission to the Heliospheric Boundary and Interstellar Space,” NASA Publication, 1990.
3. MEWALDT, R. A., KANGAS, J., KERRIDGE, S. J., and NEUGEBAUER, M. “A Small Interstellar Probe to the Heliospheric Boundary and Interstellar Space,” Acta Astronautica, 35, Suppl., 267–276, 1995.
4. McNUTT, R. L., Jr., GOLD, R. E., ROELOF, E. C., ZANETTI, L. J., REYNOLDS, E. L., FARQUHAR, R. W., GURNETT, D. A., and KURTH, W. S. “A Sole/Ad Astra: From the Sun to the Stars,” Journal of the British Interplanetary Society, 50, 463–474, 1997.
5. EHRICKE, K. A. “Saturn-Jupiter Rebound,” Journal of the British Interplanetary Society, 25, 561–571, 1972.