| 000 | 00475nam a2200157 4500 | ||
|---|---|---|---|
| 008 | 0 1990a 0a 000 0USA | ||
| 020 | _a0-935584-42-0 | ||
| 082 | _a543.08076 H762o | ||
| 100 | _aHelrich,Kennet | ||
| 245 | _aOfficial methods of analysis / Kennet Helrich. | ||
| 250 | _a15 | ||
| 260 | _aUSA : association of official analytical chemists | ||
| 300 | _axxiv, pag.varía / 28cm. | ||
| 500 | _aIncludes Subject index. | ||
| 650 | _a1.METHODS 2.ANALYSIS | ||
| 999 |
_c20993 _d20993 |
||