Influence of Bentonite Particles on the Mechanical Properties of Polyester–Sisal Fiber Composites - Valin Rivera, Jose Luis; Valenzuela Reyes, Cristian Rodolfo; Wachtendorff, Arturo Andres Quinteros; Rodriguez Soto, Angel; Valin Fernandez, Meyli; Abarzúa, Roberto Iquilio; González Ortega, Alvaro; Pino, Gilberto Garcia del; Valenzuela Díaz, Francisco Rolando (Polymers (print), 2023)