@article{zocoler_leite_saad_cruz_zocoler_2013,  title={Investment recovery period in electric motor of higher efficiency in pumping for irrigation},  volume={33},  ISSN={0100-6916},  url={https://doi.org/10.1590/S0100-69162013000200001},  DOI={10.1590/S0100-69162013000200001},  number={2},  journal={Engenharia Agrícola},  publisher={Associação Brasileira de Engenharia Agrícola},  author={Zocoler, João L. and Leite, Maurício A. and Saad, João C. C. and Cruz, Raimundo L. and Zocoler, João G.},  year={2013},  month={Mar},  pages={212–222} }