How to use SPECOL : a teach-yourself manual of the layman's language for interrogating computer files /

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Bibliographic Details
Main Author: Davies, Peter Quentin
Format: Book
Language:English
Published: London : H.M.S.O., 1975.
Series:Guide - Central Computer Agency ; no. 2
Subjects:
Description
Item Description:Includes index.
Physical Description:[11], 149 p. : ill. ; 30 cm.
ISBN:011630362X :