"This study is part of a programm funded by JISC as a result of a workshop on the Long Term Preservation of Electronic Materials held at Warwick in November 1995" - t.p. verso.
Comparison of methods & costs of digital preservation : a consultancy study by A. M. Hendley. ISBN 0712397132. Published by British Library Research and Innovation Centre in 1998. Publication and catalogue information, links to buy online and reader comments.