Digital document
Jones, Maggie ; Beagrie, Neil. – Preservation management of digital materials workbook : implementation in librairies [On-line]. – London : The British Library, 2001. – 47 p. – Acrobat (PDF) file. – Final report. {{www.bl.uk}}
Book
Jones, Maggie ; Beagrie, Neil. – Preservation management of digital materials : a handbook. – London : The British Library, 2001. – 139 p.
Also available on the Internet. {{www.dpconline.org}}