000 00238nam a2200073 4500
080 _a
_b
245 _aIS:01355 - 1984; Methods of Determination of the Chemical composition of Ash of Coal and Coke
700 _aINDIAN STANDARDS INSTITUTION
260 _aNew Delhi
_bBIS
_c1984
300 _a42p
999 _c30077
_d30077