%0 Journal Article %J Arising from: W.R. Peltier, Y. Liu & J. W. Crowley Natural 450, 813-818 (2007), Nature %D 2008 %T Snowball prevention questioned %A Hoffman, P. F. %A Crowley, J. W. %A Johnston, D. T. %A Jones, D.S. %A Schrag, D.P. %B Arising from: W.R. Peltier, Y. Liu & J. W. Crowley Natural 450, 813-818 (2007), Nature %V 456 %P 18-25 %G eng %N E7