Monarca, D., Cecchini, M., Colantoni, A., Di Giacinto, S., Marucci, A. and Longo, L. 2013. Assessment of the energetic potential by hazelnuts pruning in Viterbo’s area. Journal of Agricultural Engineering. 44, s2 (Sep. 2013). DOI:https://doi.org/10.4081/jae.2013.359.