Borgonovo, Federica, Annamaria Costa, and Massimo Lazzari. “First Tests of Using an Electronic Nose to Control Biogas Plant Efficiency”. Journal of Agricultural Engineering 44, no. s2 (September 8, 2013). Accessed December 13, 2024. https://www.agroengineering.org/jae/article/view/jae.2013.s2.e109.