Data communication systems and their performance   
ed. by L. F. M. DeMovaes, E. De Souza E Silva, L. F. G. Soares. 
 - Amsterdam  North-Holland  1988 
 - xvi, 529p 
<br/><br/><label>ISBN: </label>0444703632 
<br/><br/><label>Dewey Class. No.: </label>001.64404  / N8830