TY  - BOOK
AU  - parfett,M.C.
TI  - On-line database and electronic mail systems 1987
SN  - 0850126568
U1  - Z/674.3 
PY  - 1986///
CY  - Manchester
PB  - The National Computing Centre
KW  - Electronic mail systems -- Directories
KW  - Information Services -- Directories
KW  - Online data processing -- Directories.
ER  -