CCITT Plenary Assembly (Red Book) Malaga-Torremolinos, 1984 :   Data Communication Networks , Massage Handling Systems, Recommendations X.400-X.430 : Fascicle /   Vol.VIII.7 

 - Geneva :   ITU,   1984. 
 - VII, 266 s.;   30 cm. 
<br/><br/><label>ISBN: </label>9261023614