@techreport{Fischer2002,
author = {Fischer, G. and van Velthuizen, H.T. and Shah, M.M. and Nachtergaele, F.O.},
title= {Global agro-ecological assessment for agriculture in the 21st century: Methodology and results},
year = {2002},
publisher = {IIASA},
address = {Laxenburg},
}