Computer message systems  proceedings of the IFIP TC-6 International Symposium on Computer Message Systems, Ottawa, Canada, 6-8 April, 1981 
edited by Ronald P. Uhlig 
 - Amsterdam  North-Holland  1981 
 - 465p. 33cm 
<br/><br/><label>ISBN: </label>0444852530 0444852536 
<br/><br/><label>LCCN: </label>81-11010 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data transmission systems--Congresses<br/>Computer networks--Congresses<br/>Information networks--Congresses