1. Tverdokhlebov. O.S., Semenkin, A.V.: Iodine propellant for electric propulsion-To be or not to be. In: 37th Joint Propulsion Conference and Exhibit (2001)
2. Martínez Martínez, J., Rafalskyi, D., Aanesland, A.: Development and Testing of the NPT30-I2 Iodine Ion Thruster. In: IEPC, Vienna (2019)
3. Szabo, J.J., Robin, M., Paintal, S., Pote, B., Hruby, V., Freeman, C.: Iodine Propellant Space Propulsion. In: 33rd International Electric Propulsion Conference, USA (2013)
4. Vasiljevich, I., Tajmar, M., Grienauer, W., Plesescu, F., Buldrini, N., González del Amo, J., Carnicero Domínguez, B., Betto, M.: Development of an Indium mN-FEEP Thruster. In: 44th AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit, Hartford (2008)
5. Szabo, J., Robin, M., Hruby, V.: Bismuth Vapor Hall Effect Thruster Performance and Plume Experiments. In: 35th International Electric Propulsion Conference, Atlanta, Georgia (2017)