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 |