Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) TSUKAGOSHI K.,Operating Status of Uprating Gas Turbines and Trend of Gas Turbine Development in the Future,"Mitsubishi Heavy Industries, Ltd. Technol. Rev.",,,2007,44,,2-7,https://cir.nii.ac.jp/crid/1570291225837323648,