(1) “Integration of Distributed Energy Resources The CERTS MicroGrid Concept”, Consortium for Electric Reliability Technology Solutions (CERTS), LBNL-50829 (2003-10)
(2) T. Goda, Y. Takuma, Y. Izui, Y. Kojima, E. Takeuchi, and K. Takasaka: “Microgrid”, ISBN: 4902553074 (2004) (in Japanese)