| 000 | 00468nam a22001337a 4500 | ||
|---|---|---|---|
| 008 | 230403b |||||||| |||| 00| 0 eng d | ||
| 040 |
_aNational Science Library _cNational Science Library |
||
| 080 |
_aR 661(7)(058.7) _bL8 |
||
| 245 |
_aDirectory of North American chemical producers _c/ Chemical Information Services |
||
| 260 |
_aNew York: _bChemical Information Services, Ltd., _c1978 |
||
| 650 | _aChemical technology | ||
| 653 | _aChemical | ||
| 942 |
_2udc _cDIR |
||
| 999 |
_c17861 _d17861 |
||