Jun Hua Chen Sun, G., Noormets, A., Chen, J., & McNulty, S. G. (2008). Evapotranspiration estimates from eddy covariance towers and hydrologic modeling in managed forests in Northern Wisconsin, USA. Agricultural and Forest Meteorology, 148, 257–267. https://doi.org/10.1016/j.agrformet.2007.08.010 Chen, J. H., Hubbe, M. A., Heitmann, J. A., Argyropoulos, D. S., & Rojas, O. J. (2004). Dependency of polyelectrolyte complex stoichiometry on the order of addition - 2. Aluminum chloride and poly-vinylsulfate. Colloids and Surfaces. A, Physicochemical and Engineering Aspects, 246(03-Jan), 71–79. https://doi.org/10.1016/j.colsurfa.2004.07.021 Chen, J. H., Heitmann, J. A., & Hubbe, M. A. (2003). Dependency of polyelectrolyte complex stoichiometry on the order of addition. 1. Effect of salt concentration during streaming current titrations with strong poly-acid and polybase. Colloids and Surfaces. A, Physicochemical and Engineering Aspects, 223(37624), 215–230. https://doi.org/10.1016/S0927-7757(03)00222-X Hubbe, M. A., & Chen, J. Charge-related measurements: A reappraisal. Part 1: Streaming current. Paper Technology (Leatherhead, England), 45(8), 17–23. Hubbe, M. A., Chen, J., & Heitmann, J. A. Measurement and impact of charge: A practical guide. Solutions! (Norcross, Ga.), 87(11), 47–49. Chen, J., Hubbe, M. A., & Heitmann, J. A. Measurement of colloidal charge in the paper mill by streaming current. Proceedings, TAPPI Papermakers Conference, 2001. Atlanta, GA: TAPPI Press. Chen, J., Heitmann, J. A., Chang, H.-M., Hubbe, M. A., & Venditti, R. A. The effect of paper additives on toner agglomeration during the recycling process. Progress in Paper Recycling, 13(14), 16–23.