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R. Sergean
British Library 1977 British Library research & development reports no. 5321 HC
Available at 5 libraries
[by] R. Sergean, J. R. McKay, and Cynthia M. Corkill ; (project director, W. L. Saunders)
Postgraduate School of Librarianship and Information Science, University of Sheffield 1976 Occasional publications series no. 8
Available at 4 libraries