@Misc{Hoffman_AGU_20121206,
 author		= {Forrest M. Hoffman and James T. Randerson},
 title		= {The Causes and Implications of Persistent Atmospheric Carbon Dioxide Biases in {E}arth {S}ystem {M}odels},
 howpublished	= {Abstract B41C-0291 presented at the 2012 American Geophysical Union (AGU) Fall Meeting (December 3--7, 2012), San Francisco, California, USA},
 day		= 6,
 month		= dec,
 year		= 2012
}