Text ( visual ) : unmediated Definition and conceptual framework. -- 1st ed., 2014-09-01. -- Geneva : ISO , c2014. -- v, 4 p. : ill. ; 30 cm. -- (International standard ; ISO 12913-1 . Acoustics : soundscape ; pt.1). -- Cover title ; "Reference number ISO 12913-1:2014(E)"鈥擟over ; Includes bibliographical references. -- (BD08950734) ; https://ci.nii.ac.jp/ncid/BD08950734 Author Heading(s): International Organization for Standardization