Exploratory Research on Radioisotope Thermoelectric Generators for Deep Space MissionsD. Freis, J.F. Vigier, K. Popa, T. Wiss, J.-C. Griveau, E. D’Agata and J. SomersE3S Web Conf., 16 (2017) 05001DOI: https://doi.org/10.1051/e3sconf/20171605001