@incollection{Figueiredo09,
author = {Joao M. G. Figueiredo},
title = {Automatic Sun-Tracker System for Photo-Voltaic Plants},
booktitle = {Renewable Energy},
publisher = {IntechOpen},
address = {Rijeka},
year = {2009},
editor = {T J Hammons},
chapter = {2},
doi = {10.5772/7377},
url = {https://doi.org/10.5772/7377}
}