000 00226nam a2200073 4500
080 _a
_b
245 _aIS:04433 - 1979; Method for Determination of Hardgrove Grindability Index of Coal
700 _aINDIAN STANDARDS INSTITUTION
260 _aNew Delhi
_bBIS
_c1979
300 _a10p
999 _c32604
_d32604