Engineering industries in North America  
/ The Organisation for European Economic Co-operation 
 - Paris:   The Organisation for European Economic Co-operation,   1965 
 - 108p.  
 - .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture
<br/><br/><label>Subjects--Index Terms: </label>Consumption Nitrogenous 
<br/><br/><label>Universal Decimal Class. No.: </label>62:338.9(083.4)(7+4+520)