John Michalakes Josh Hacker Richard Loft Michael O. McCracken Allan Snavely Nicholas J. Wright Thomas E. Spelce Brent C. Gorda Robert Walkup WRF nature run. 59 2007 SC http://doi.acm.org/10.1145/1362622.1362701 conf/sc/2007 db/conf/sc/sc2007.html#MichalakesHLMSWSGW07