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"Optimal Model of Distributed Energy System by Using GAMS and Case Study." International Symposium on Sustainable Development of the Asian City Environment (SDACE) 2005. Xi'an, China : LBNL, 2005. LBNL-61117..
"Optimum Model-E-GAMS for Distributed Energy System by using GAMS Method." Journal of the Society of Heating Air-Conditioning and Sanitary Engineers of Japan (SHASE) 12 (2005) 4. LBNL-57983..