@article{silva_nunes_coimbra_guido_2014,  title={Composition of pectic polysaccharides in a Portuguese apple (Malus domestica Borkh. cv Bravo de Esmolfe)},  volume={71},  ISSN={0103-9016},  url={https://doi.org/10.1590/0103-9016-2013-0333},  DOI={10.1590/0103-9016-2013-0333},  number={4},  journal={Scientia Agricola},  publisher={Escola Superior de Agricultura "Luiz de Queiroz"},  author={Silva, Ana S. and Nunes, Claudia and Coimbra, Manuel A. and Guido, Luís F.},  year={2014},  month={Jul},  pages={331–336} }