International symposium on mining research techniques and instrumention / 
edited by B. B. Dhar [and] S. Ratan 
 - Varanasi :  Department of Minig Engineering,  1982 
 - 150 p. ;  27 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mining engineering--Research<br/>Mine safety--Research
<br/><br/><label>Dewey Class. No.: </label>622.01