Authors: Eric J Steig; David P Schneider; Scott D Rutherford; Michael E Mann; Josefino C Comiso; Drew T Shindell Journal: Nature Date: 2009-01-22 Impact factor: 49.962
Authors: Robert Mulvaney; Nerilie J Abram; Richard C A Hindmarsh; Carol Arrowsmith; Louise Fleet; Jack Triest; Louise C Sime; Olivier Alemany; Susan Foord Journal: Nature Date: 2012-09-06 Impact factor: 49.962