Lercker, G., N. Frega, R. Bocci, and M. Mozzon. “Volatile Constituents and Oxidative Stability of Virgin Olive Oils: Influence of the Kneading of Olive-Paste”. Grasas Y Aceites, vol. 50, no. 6, Dec. 1999, pp. 448-53, doi:10.3989/gya.1999.v50.i6.693.