Ulamec, S., O'Rourke, L., Biele, J., Grieger, B., Andrés, R., Lodiot, S., Muñoz, P., Charpentier, A., Mottola, S., Knollenberg, J., Knapmeyer, M., Kührt, E., Scholten, F., Geurts, K., Maibaum, M., Fantinati, C., Küchemann, O., Lommatsch, V., Delmas, C., Jurado, E., Garmier, R., & Martin, T. (2017). rosetta Lander - Philae: Operations on comet 67P/Churyumov-Gerasimenko, analysis of wake-up activities and final state. Acta astronautica, 137, 38–43. http://access.bl.uk/ark:/81055/vdc_100047278401.0x00005c