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