Railways and steel 

 - Geneva  United Nations           1957 
 - vii, 63p. Appendixp. 34-63  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Iron and Steel Industry
<br/><br/><label>Dewey Class. No.: </label>X9(F1823)oj415.5.N5, J7