Howell, David <br/><br/>
The gas gap :  uncertainty in the supply of natural gas 

 - U. S. Geological Survey Professional paper, 1570 .
<br/><br/>bibliogr. p. 883-884 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gaz naturel<br/>Energie<br/>Energie remplacement