000			00383pam a2200133a 44500
008			140414b1989 xxu||||| |||| 00| 0 eng d
110			_aCSIR
245			_aInternational Symposium on Underground Engineering V-2 _cedited by SINGH, B
260			_aCalcutta _bOxford & IBH Publishing _c1989
650			_aUNDERGROUND ENGINEERING
690			_aMINING
700			_aSINGH, B
906			_a8540
999			_c8197 _d8197