@article{Mahmud:2011Ku, author = "Mahmud, Mehreen and Paragi, Zsolt and Rottgering, Huub J.A. and Kloeckner, Hans Rainer and Miley, George G.K.", title = "{Probing the nature of Ultra-Steep Spectrum radio sources}", doi = "10.22323/1.125.0088", journal = "PoS", year = 2011, volume = "10th EVN Symposium", pages = "088" }