| 000 | 00409nam a2200145Ia 4500 | ||
|---|---|---|---|
| 005 | 20250212172151.0 | ||
| 008 | 250212s9999||||xx |||||||||||||| ||und|| | ||
| 040 | _aMAIN | ||
| 082 | _a543HEL.N0.1 | ||
| 100 | _aKenneth Helrich | ||
| 245 | 0 |
_aOfficial methods of analysis of the association of _cKenneth Helrich |
|
| 250 | _aEd 15 | ||
| 260 |
_bAssociation Of Official Analytical Chemists _c1990 |
||
| 942 | _cBK | ||
| 999 |
_c35766 _d35766 |
||