@inproceedings{Mahlke:2017An, author = "Mahlke, Max and Bretz, Thomas and Adam, J. and Ahnen, L M and Baack, D. and Balbo, Matteo and Biland, A and Blank, M. and Bruegge, K and Buss, J and Dmytriiev, Anton and Dorner, D and Einecke, S and Elsaesser, D and Hempfling, C and Herbst, T and Hildebrand, D and Kortmann, L. and Linhoff, L. and Mahlke, M and Mannheim, K and Mueller, A S and Neise, D and Neronov, A and Noethe, Maximilian and Oberkirch, J. and Paravac, A and Pauss, F and Rhode, W and Schleicher, B. and Schulz, F. and Shukla, A and Sliusar, V and Temme, F and Thaele, J and Walter, R", title = "{FACT - Searching for periodicity in five-year light-curves of Active Galactic Nuclei}", doi = "10.22323/1.301.0612", booktitle = "Proceedings of 35th International Cosmic Ray Conference {\textemdash} PoS(ICRC2017)", year = 2017, volume = "301", pages = "612" }