International Cooperative Information Systems: Proceedings of a Seminar Held in Vienna, Austria, 9-13 July 1979 

 - [Otawa] :   International Development Research Centre (IDRC),   [1980]. 
 - 111 p. :   gráfs., tablas ;   21 cm. 
 - IRDC ;   156c .
<br/><br/><label>ISBN: </label>0889362521