Migrating from SSADM version 3 to version 4 /
O'Neill, Janet Blowers.
Information Systems Engineering Library.
Great Britain.Treasury.Central Computer and Telecommunications Agency.
London : HMSO,
1992.
At head of title : Information Systems Engineering Library.
Published for the Central Computer and Telecommunications Agency.
Includes bibliography.
Computer network protocols.
SSADM (Computer operating system)