@article{solmon_chuang_meskhidze_chen_2009, title={Acidic processing of mineral dust iron by anthropogenic compounds over the north Pacific Ocean}, volume={114}, DOI={10.1029/2008jd010417}, journal={Journal of Geophysical Research. Atmospheres}, author={Solmon, F. and Chuang, P. Y. and Meskhidze, N. and Chen, Y.}, year={2009} }
 @misc{chen_cheng_creamer_2008, title={Inhibition of anaerobic digestion process: A review}, volume={99}, DOI={10.1016/j.biortech.2007.01.057}, number={10}, journal={Bioresource Technology}, author={Chen, Y. and Cheng, J. J. and Creamer, K. S.}, year={2008}, pages={4044–4064} }
 @article{sharma-shivappa_chen_2008, title={conversion of cotton wastes to bioenergy and value-added products}, volume={51}, DOI={10.13031/2013.25377}, number={6}, journal={Transactions of the ASABE}, author={Sharma-Shivappa, R. R. and Chen, Y.}, year={2008}, pages={2239–2246} }
 @article{silverstein_chen_sharma-shivappa_boyette_osborne_2007, title={A comparison of chemical pretreatment methods for improving saccharification of cotton stalks}, volume={98}, DOI={10.1016/j.biortech.2006.10.022}, number={16}, journal={Bioresource Technology}, author={Silverstein, R. A. and Chen, Y. and Sharma-Shivappa, R. R. and Boyette, M. D. and Osborne, J.}, year={2007}, pages={3000–3011} }
 @inproceedings{xu_chen_wang_sharma-shivappa_burns_cheng_2007, title={Alkaline pretreatment of switchgrass for bioconversion to ethanol}, booktitle={2007 ASABE Regional Annual Conference (Fletcher, North Carolina)}, author={Xu, J. and Chen, Y. and Wang, Z. and Sharma-Shivappa, R. R. and Burns, J. C. and Cheng, J. J.}, year={2007} }
 @misc{chen_cheng_2007, title={Anaerobic waste treatment processes}, volume={79}, DOI={10.2175/106143007x218430}, number={10}, journal={Water Environment Research}, author={Chen, Y. and Cheng, J. J.}, year={2007}, pages={1430–1450} }
 @article{chen_cheng_2007, title={Effect of potassium inhibition on the thermophilic anaerobic digestion of swine waste}, volume={79}, DOI={10.2175/106143007X156853}, number={6}, journal={Water Environment Research}, author={Chen, Y. and Cheng, J. J.}, year={2007}, pages={667–674} }
 @article{chen_sharma-shivappa_chen_2007, title={Ensiling agricultural residues for bioethanol production}, volume={143}, DOI={10.1007/s12010-007-0030-7}, number={1}, journal={Applied Biochemistry and Biotechnology}, author={Chen, Y. and Sharma-Shivappa, R. R. and Chen, C.}, year={2007}, pages={80–92} }
 @article{chen_sharma-shivappa_keshwani_chen_2007, title={Potential of agricultural residues and hay for bioethanol production}, volume={142}, DOI={10.1007/s12010-007-0026-3}, number={3}, journal={Applied Biochemistry and Biotechnology}, author={Chen, Y. and Sharma-Shivappa, R. R. and Keshwani, D. and Chen, C.}, year={2007}, pages={276–290} }
 @article{chen_cheng_2006, title={Application of anaerobic processes}, volume={78}, DOI={10.2175/106143006X119224}, number={10}, journal={Water Environment Research}, author={Chen, Y. and Cheng, J. J.}, year={2006}, pages={1363–1385} }
 @article{chen_cheng_2005, title={Anaerobic processes in waste treatment}, volume={77}, DOI={10.2175/106143005X54407}, number={6}, journal={Water Environment Research}, author={Chen, Y. and Cheng, J. J.}, year={2005}, pages={1347–1388} }
 @article{chen_cheng_2004, title={Anaerobic processes}, volume={76}, DOI={10.2175/106143004X142040}, number={6}, journal={Water Environment Research}, author={Chen, Y. and Cheng, J. J.}, year={2004}, pages={1155–1190} }