著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) MAIER G.,Optical network survivability : Protection techniques in the WDM layer,Photonic Netw. Commun.,,,2002,4,3,251-269,https://cir.nii.ac.jp/crid/1570291226798639360,