TY  - BOOK
AU  - Betanov,Cemil
TI  - Introduction to X.400
SN  - 0890065977
U1  - 384.34 
PY  - 1993///
CY  - Boston
PB  - Artech house
KW  - Electronic mail systems
KW  - Computer networks
KW  - Standards
N1  - Includes bibliographical references and index
ER  -