Cocolo, Giorgia, Silvia Curnis, Maibritt Hjorth, and Giorgio Provolo. “Effect of Different Technologies and Animal Manures on Solid-Liquid Separation Efficiencies”. Journal of Agricultural Engineering 43, no. 2 (September 27, 2012): e9. Accessed May 30, 2020. https://j.agroengineering.org/index.php/jae/article/view/jae.2012.e9.