Authors: R P Eatough; H Falcke; R Karuppusamy; K J Lee; D J Champion; E F Keane; G Desvignes; D H F M Schnitzeler; L G Spitler; M Kramer; B Klein; C Bassa; G C Bower; A Brunthaler; I Cognard; A T Deller; P B Demorest; P C C Freire; A Kraus; A G Lyne; A Noutsos; B Stappers; N Wex Journal: Nature Date: 2013-08-14 Impact factor: 49.962
Authors: G Risaliti; F A Harrison; K K Madsen; D J Walton; S E Boggs; F E Christensen; W W Craig; B W Grefenstette; C J Hailey; E Nardini; Daniel Stern; W W Zhang Journal: Nature Date: 2013-02-28 Impact factor: 49.962