Authors: B W Grefenstette; F A Harrison; S E Boggs; S P Reynolds; C L Fryer; K K Madsen; D R Wik; A Zoglauer; C I Ellinger; D M Alexander; H An; D Barret; F E Christensen; W W Craig; K Forster; P Giommi; C J Hailey; A Hornstrup; V M Kaspi; T Kitaguchi; J E Koglin; P H Mao; H Miyasaka; K Mori; M Perri; M J Pivovaroff; S Puccetti; V Rana; D Stern; N J Westergaard; W W Zhang Journal: Nature Date: 2014-02-20 Impact factor: 49.962