@INPROCEEDINGS {11721,
author={F. Lopes},
doi={},
booktitle={International Conf. on Renewable Energies and Power Quality - ICREPQ},
title={Energy Reductions in the Pulp-and-Paper Industry by Upgrading Conventional Pumping Systems through the Installation of VFDs – A Case Study},
year={2012},
month={March},
volume={1},
pages={1-1} 
}