Initial deep LOFAR observations of Epoch of Reionization windows: I. The North Celestial Pole (Astrophysics, 2013)

(untitled) - Yatawatta, S; Bruyn, A; Brentjens, M; Labropoulos, P; Pandey, V; Kazemi, S; Zaroubi, S; Koopmans, L; Offringa, A; Jelic, V; Rubi, O; Veligatla, V; et al.