Text ( visual ) : unmediated Global ageing in the twenty-first century : challenges, opportunities and implications / edited by Susan A. McDaniel, Zachary Zimmer. -- : hbk. -- Farnham, Surrey : Ashgate , c2013. -- xvii, 324 p. : ill. ; 24 cm. -- Includes bibliographical references and index. -- ISBN 9781409432708 ; (BB13368169) ; https://ci.nii.ac.jp/ncid/BB13368169 Author Heading(s): McDaniel, Susan A. ; Zimmer, Zachary. -- Classification(s): LCC : HQ1061 ; DC23 : 305.26. -- Subject Heading(s): LCSH : Aging -- Social aspects ; LCSH : Social history -- 21st century