L. Zdunik (NCAC, Warsaw)
based on Antoniadis et al. 2013, Science, Vol. 340, no. 6131
P. Haensel (NCAC, Warsaw)
based on: Di Li et al. arXiv:1210.5785
J. Kałużny (NCAC, Warsaw)
based on arXiv:1304.4176, arXiv:1304.7156, arXiv:1301.7044 and arXiv:1303.5178
F. Vincent (NCAC, Warsaw)
W. Narloch (NCAC, Warsaw)
based on Fraga, Kunder & Tokovinin arXiv:1304.4880
P. Bagińska (NCAC, Warsaw)
based on Risaliti et al. (2013), Nature, 494, 449
W. Kluźniak (NCAC, Warsaw)
based on Piro (2013, arXiv:1304.1539)