Bullock, M. A., Senske, D. A., Balint, T. S., Benz, A., Campbell, B. A., Chassefière, E., Colaprete, A., Cutts, J. A., Glaze, L., Gorevan, S., Grinspoon, D. H., Hall, J., Hashimoto, J. L., Head, J. W., Hunter, G., Johnson, N., Kerzhanovich, V. V., Kiefer, W. S., Kolawa, E. A., Kremic, T., Kwok, J., Limaye, S. S., Mackwell, S. J., Marov, M. Y., Ocampo, A., Schubert, G., Stofan, E. R., Svedhem, H., Titov, D. V., & Treiman, A. H.(2009). Venus Flagship Mission Study: Report of the Venus Science and Technology Definition Team. JPL.