Text ( visual ) : unmediated Romano Cagnoni / presentato da Olivetti. -- Milano : Olivetti , 1975. -- [58] p. : chiefly ill. ; 27 cm. -- In Italian and English. -- (BA86570516) ; https://ci.nii.ac.jp/ncid/BA86570516 Author Heading(s): Cagnoni, Romano ; Ing. C. Olivetti & C.. -- Subject Heading(s): LCSH : Cagnoni, Romano ; LCSH : Documentary photography