1. Biochemicals and standardized solid fuels from Radiata Pine Bark;Berg,2007
2. L.B. Pepino, Paulo, Caldeira, Fernando, Extraction of pine bark tannins in aqueous-organic systems, 2nd International Conference on Biopolymer Technology, Ischia, Italy, 2000, p. 36.
3. Shreve's Chemical Process Industries;Austin,1994
4. Phenol and phenolics from lignocellulosic biomass by catalytic microwave pyrolysis