@article{rotta_minatti_barreto_2011,  title={Determination of structural and mechanical properties, diffractometry, and thermal analysis of chitosan and hydroxypropylmethylcellulose (HPMC) films plasticized with sorbitol},  volume={31},  ISSN={0101-2061},  url={https://doi.org/10.1590/S0101-20612011000200026},  DOI={10.1590/S0101-20612011000200026},  number={2},  journal={Food Science and Technology},  publisher={Sociedade Brasileira de Ciência e Tecnologia de Alimentos},  author={Rotta, Jefferson and Minatti, Edson and Barreto, Pedro Luiz Manique},  year={2011},  month={Apr},  pages={450–455} }