Input-output structure of the Canadian economy. 

 - Ottawa  Govt Press           1974 
 -  1961 .
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Production Engeeniring
<br/><br/><label>Dewey Class. No.: </label>X:89P:(B).72s, L4/GD