H. Wojtkowiak, O. Balagurin, G. Fellinger, and H. Kayal. 6th International Conference on Recent Advances in Space Technologies (RAST), AIAA American Institute of Aeronautics and Astronautics, (2013)
H. Kayal, O. Balagurin, and H. Wojtkowiak. 63rd International Astronautical Congress, IAC-12,B4,3,2,x13917, International Astronautical Federation, (2012)
O. Balagurin, H. Kayal, and H. Wojtkowiak. 8th IAA Symposium on Small Satellites for Earth Observation, International Academy of Astronautics, (April 2011)
H. Wojtkowiak, O. Balagurin, and H. Kayal. 62nd International Astronautical Congress, IAC-11,C1,6,7,x10267, International Astronautical Federation, (2011)
H. Wojtkowiak, O. Balagurin, and H. Kayal. ILA-Workshop „Pico- und Nanosatellitenaktivitäten in Deutschland“, Deutsche Gesellschaft für Luft- und Raumfahrt, (2010)