Ferreira-Dias, S., Valente, D.G. and Abreu, J.M. 2003. Pattern recognition of acorns from different Quercus species based on oil content and fatty acid profile. Grasas y Aceites. 54, 4 (Dec. 2003), 384–391. DOI:https://doi.org/10.3989/gya.2003.v54.i4.224.