Landsberg, Hans H. <br/><br/>
The case for coal in the United States 

<br/><br/> Sobretiro de : Environment 29 (6): 19-20, 38-43, 1987. 
<br/><br/><label>LCCN: </label>69928 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Carbón mineral.