,  . <br/><br/>
Direct Use of Coal: Prospects and Problems of Production and Combustion /  

 - Massachusetts :   Ballinger Publishing company. 
 - xv, 411p :  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fine Arts <Coal>
<br/><br/><label>Dewey Class. No.: </label>F551(X:2)  / [M3]