Goreti Botelho and  Filomena Gomes and  Fernanda M. Ferreira and  Ilda Caldeira,  Influence of Maturation Degree of Arbutus (Arbutus unedo L.) Fruits in Spirit Composition and Quality.   journal   = {International Journal of Agricultural and Biosystems Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2015, vol. 102(6). 615 - 620
    [viewed 19 October 2019]. Available from: https://publications.waset.org/pdf/10001403.