@article{articlef2a8d945,
title   = {Power quality and energy efficiency assessment and the need for labelling and minimum performance standard of uninterruptible power systems (UPS) in Brazil},
author = {Sauer, Ildo Luís and Tatizawa, Hédio and Salotti, Francisco Antonio Marino},
year = {2012},
doi = {10.1016/j.enpol.2011.11.071},
journal   = {Energy Policy}
}