Pagliarini, E., P. S. Badiale, and L. Semeria. “Study of the Subjective Affective Meaning and Motivational Aspects towards Extra Virgin Olive Oil”. Grasas Y Aceites, vol. 45, no. 1-2, Apr. 1994, pp. 65-67, doi:10.3989/gya.1994.v45.i1-2.973.