The influence of fiber size on the behavior of the araucaria pine nut shell/PU composite. - Protzek, Giuliana Ribeiro; Magalhães, Washington Luiz Esteves; Bittencourt, Paulo Rodrigo Stival; Claro Neto, Salvador; Villanova, Rodrigo Lupinacci; Azevedo, Elaine Cristina (Polímeros, 2019)