@article {2027,
	title = {Past Land Use Decisions Have Increased Mitigation Potential of Reforestation},
	journal = {Geophysical Research Letters},
	volume = {38},
	year = {2011},
	author = {Pongratz, Julia and Reick, Christian H. and Raddatz, Thomas and Caldeira, Ken and Claussen, Martin}
}
