TY  - BOOK
AU  - Mackinnon D
AU  -  McCrum W
AU  -  Sheppard D
TI  - Introduction to open systems interconnection
T2  - Advances in telecommunication networks series; 3
U1  - D65,8(B), N0 
PY  - 1990///
CY  - New York    
PB  -  Computer science press      
KW  - Computer science
ER  -