1. Plate tectonics on Venus;Anderson;Geophys. Res. Lett.,1981
2. Styles of tectonic deformation on Venus: Analysis of Venera 15 and 16 data;Basilevsky;Proc. Lunar Planet. Sci.,1986
3. Venus: Volcanism and rift formation in Beta Regio;Campbell;Science,1984
4. Fracture zones in the North Atlantic: Morphology and a model;Collette;Geol. Soc. London,1986
5. Grumpier , L. S. J. W. Head D. B. Campbell Bilateral symmetry across Aphrodite Terra (abstract), Reports of the Planetary Geology Program, 1986 NASA T.M 1987