@article{articled2973829,
title   = {Computer assisted Koeppen climate classification: a case study for Brazil},
author = {Sparovek, Gerd and De Jong Van Lier, Quirijn and Dourado Neto, Durval},
year = {2007},
doi = {10.1002/joc.1384},
journal   = {International Journal of Climatology}
}