International Symposium on Underground Engineering, 14-17 April, 1988, New Delhi, India :  proceedings / 
editor, B. Singh ; sponsored and organised by Central Mining Research Station, Dhanbad, Council of Scientific and Industrial Research. 
 - New Delhi :  Oxford & IBH Pub. Co.,  c1988. 
 - 530 p. : ill. 
<br/><br/><label>ISBN: </label>8120403037  (v. 1) 
<br/><br/><label>LCCN: </label>90011038 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Underground construction.<br/>Underground areas.