BOCIĄGA, E.; PALUTKIEWICZ, P. Effects of blowing agent content and injection moulding conditions on selected properties and surface quality of polypropylene moulded parts. Polimery, [S. l.], v. 57, n. 1, p. 38–48, 2012. Disponível em: https://polimery.ichp.vot.pl/index.php/p/article/view/806. Acesso em: 25 may. 2025.