Beef Credence Attributes: Implications of Substitution Effects on Consumers` WTP
Inês Viegas, Luis Catela Nunes, Lívia Madureira, Magda Aguiar Fontes, José Lima Santos
Journal of Agricultural Economics, vol. 65, 2014, p. 600-615.

Impact of Product Familiarity on Beef Quality Perception
Klaus G. Grunert, Magda Aguiar Fontes, Maria Madalena Barreira, Marija Banovic
Agribusiness, vol. 28, 2012, p. 157-172.