@article{articlee71b5982,
title   = {Energy demand and greenhouse gases emissions in the life cycle of tractors},
author = {Mantoam, Edemilson J. and Romanelli, Thiago Libório and Gimenez, Leandro M},
year = {2016},
doi = {10.1016/j.biosystemseng.2016.08.028},
journal   = {Biosystems Engineering}
}