Vanek Jaroslav <br/><br/>
Natural resources content of United States foreign 

<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Economics<br/>International Trade
<br/><br/><label>Dewey Class. No.: </label>X:540j271.73.N55<--M70, K3