著者名,タイトル,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Serletis,Measuring and Testing Natural Gas and Electricity Markets Volatility: Evidence from Alberta’s Deregulated Markets,Stud. Nonlinear Dyn. Econ.,,,2006,10,,1,https://cir.nii.ac.jp/crid/1370582247310037760,