@article{article338bc437,
title   = {Improving the prediction performance of a large tropical vis-NIR spectroscopic soil library from Brazil by clustering into smaller subsets or use of data mining calibration techniques},
author = {Araújo, Suzana Romeiro and Wetterlind, J and Demattê, José Alexandre Melo and Stenberg, B},
year = {2014},
doi = {10.1111/ejss.12165},
journal   = {European Journal of Soil Science}
}