Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) R. Shimizu and K. Mizuguchi and Y. Nakazaki and R. Okada and M. Nagao,Co-generation system using a gas engine generator for telecommunications power plants,[Proceedings] Thirteenth International Telecommunications Energy Conference - INTELEC 91,,IEEE,2002-12-09,,,374-378,https://cir.nii.ac.jp/crid/1871709543001543552,https://doi.org/10.1109/intlec.1991.172423