Coal feeder development :  phases II and III / 
United States, Department of Army 
 - [S.l.] :  The Department,  1978 
 - vi, 25 p. ;  28 cm. 
<br/><br/> Progress report 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Energy conservation--United States
<br/><br/><label>Dewey Class. No.: </label>333.790973