Vaz-Freire, L., J. Gouveia, J.M. and Costa Freitas, A.M. 2008. Analytical characteristics of olive oils produced by two different extraction techniques, in Portuguese olive variety ‘Galega Vulgar’. Grasas y Aceites. 59, 3 (Sep. 2008), 260–266. DOI:https://doi.org/10.3989/gya.2008.v59.i3.517.