1. Akalin, M.K., Tekin, K., and Karagoz, S. 2012. Hydrothermal liquefaction of cornelian cherry stones for bio-oil production. Bioresour. Technol. 110, 682–687.
2. Akhtar, J., and Amin, N.A.S. 2011. A review on process conditions for optimum bio-oil yield in hydrothermal liquefaction of biomass. Renew. Sustain. Energy Rev. 15, 1615–1624.
3. Akhtar, J., and Amin, N.A.S. 2012. A review on operating parameters for optimum liquid oil yield in biomass Pyrolysis. Renew. Sustain. Energy Rev. 16(7), 5101–5109.
4. Alonso, D.M., Bond, J.Q., and Dumesic, J.A. 2010. Catalytic conversion of biomass to biofuels. Green Chem. 12, 1493–1513.
5. Al-Sabawi, M., and Chen, J. 2012. Hydroprocessing of biomass-derived oils and their blends with petroleum Feedstocks: a review. Energy Fuels 26, 5373–5399.