000 | 00425nam a2200157Ia 4500 | ||
---|---|---|---|
008 | 180612s9999||||xx |||||||||||||| ||und|| | ||
020 | _a935584420 | ||
041 | _aen | ||
082 | _a631.41 | ||
100 | _aHelrich Kenneth | ||
245 | 0 | _aOfficial Methods of Analysis of the association of Official | |
250 | _a15th ed. | ||
260 |
_aU.S.A _bThe Association of Official A _cnalytical C1990 |
||
300 | _axxiv,684p, | ||
942 | _cPR | ||
999 |
_c44925 _d44925 |