Potts, William F. <br/><br/>
McGraw_hill data communications dictionary  definitons and descriptions of general and SNA term, recomendations, standards, interchange codes, IBM communications products and units of measure 
William F. Potts ; Uyless Black, consulting editor 
 - New York  McGraw-Hill  1993 
 - 268 p. ; 24 cm. 
<br/><br/>p. 247 
<br/><br/><label>ISBN: </label>0070031541 
<br/><br/><label>LCCN: </label>91-48333 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data transmission systems--Dictionaries<br/>Computer networks--Dictionaries