000 00257nam a2200073 4500
080 _a
_b
245 _aIS: 436(Part I)-1964 (with amendment no.1 - 1977); Methods for sampling of Coal and Coke Part 1 sampling of coal
700 _aIndian Standards Institution
260 _aNew Delhi
_bBIS
_c1965
300 _a23p
999 _c32578
_d32578