Parent, Jason, et al. “The Potential of Using Forest Residue to Offset Coal Use in Co-Fired Coal Power Plants in the Eastern United States”. International Journal of Agricultural and Biological Engineering, vol. 7, no. 4, Aug. 2014, pp. 99-105, https://ijabe.migration.pkpps06.publicknowledgeproject.org/index.php/ijabe/article/view/1281.