European provisions concerning the international c 

 - New York  United Nations USA         1997 
 - 350p.  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gas Industry
<br/><br/><label>Dewey Class. No.: </label>X9(F5594):4.5.N8, N7