| 000 | 00425nam a22001337a 4500 | ||
|---|---|---|---|
| 999 |
_c19238 _d19238 |
||
| 008 | 200123b ||||| |||| 00| 0 eng d | ||
| 090 | _aISO GUIDE 34:2009 | ||
| 245 | _aGeneral requirement for the competence of reference material producers | ||
| 250 | _aThird edition. | ||
| 260 |
_aSwitzerland: _bInternational Organization for Standardization, _c2009 |
||
| 500 | _aCurrrent | ||
| 650 | _aGeneral requirement | ||
| 942 | _2udc | ||