Portals to the past and to the future : Libraries in Germany / Introd. essay a. epilogue by Georg Ruppelt ; Transl. by Diann Rusch-Feja ; The BDB. - Hildesheim : Olms, 2003. - 112 p. : ill. ; 23 cm.см.. - ISBN 3-487-11713-4[MFN: 10621]
Portals to the past and to the future - libraries in Germany / Juergen Seefeld and Ludger Syre ; publ. by the Bundesvereinigung Deutscher Bibliotheksverbaende e.V. ; with an introd. essay a. an epilogue by Georg Ruppelt ; transl. by Diann Rusch-Feja. - Hildesheim [et al.] : Georg Olms verl., 2003. - 112 p. : ill. ; 24 cm.см.. - ბიბლიოგრ.: გვ. 104-106. - ISBN 3-487-11713-4[MFN: 38925]
Portals to the past and to the future - libraries in Germany / Jurgen Seefeldt a. Ludger Syre ; transl. by Diann Rusch-Feja ; with an introd. essay a. an epilogue by Georg Ruppelt ; publ. by the Bundesvereinigung Deutscher Bibliotheksverbande e.V. (Federal Union of German Library Associations). - Hildesheim ; Zurich ; New York : Georg Olms Verl., 2003. - 112 p. ; 24 cm.см.. - დაბეჭდილია გერმანიაში. - ISBN 3-487-11713-4[MFN: 125187]