Handbook of special librarianship and information work
Batten, William Edward.
Ashworth, Wilfred.
Aslib.
London Aslib
1975
Previous ed.: / edited by Wilfred Ashworth. 1967
Includes bibliographies and index
ISBN 0-85142-074-5 Pbk : £9.00(£7.50 to Aslib members)
Special libraries.
Information services.