Longwall thick seam mining :  proceedings of the Indo-US Seminar on "Longwall Mining Systems for Thick Seam Mining--Assessment of Progress and Needs", held at Indian School of Mines, Dhanbad from 11 to 13 January, 1986 / 
editors, Raja V. Ramani and Ajoy K. Ghose. 
 - New Delhi :  Oxford & IBH Pub. Co.,  c1988. 
 - xiv, 256 p. (some folded) :  ill. 
<br/><br/> "Sponsors [by] National Science Foundation, Washington, Dept. of Science & Technology, New Delhi, Indian School of Mines Dhanbad, The Pennsylvania State University State College"--Verso t.p. 
<br/><br/><label>ISBN: </label>8120402677 
<br/><br/><label>LCCN: </label>90034051 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Longwall mining.