Aspé, Estrella, and Katherina Fernández. 2014. “Comparison of Phenolic Extracts Obtained of Pinus Radiata Bark from Pulp and Paper Industry and Sawmill Industry”. Maderas. Ciencia Y Tecnología 13 (3):243-52. https://revistas.ubiobio.cl/index.php/MCT/article/view/1305.