@article{article6045bc03,
title   = {Asymmetries of cattle and crop productivity and efficiency during Brazil’s agricultural expansion from 1975 to 2006},
author = {Sparovek, Gerd and Guidotti, Vinicius and Pinto, Luís Fernando Guedes and Berndes, Göran and Barretto, Alberto and Cerignoni, Felipe},
year = {2018},
doi = {10.1525/elementa.187},
journal   = {Elementa: Science of the Anthropocene}
}