| 000 | 00512nam a22001697a 4500 | ||
|---|---|---|---|
| 008 | 230612b |||||||| |||| 00| 0 eng d | ||
| 040 |
_aNational Science Library _cNational Science Library |
||
| 080 |
_a668.7 _bL5 |
||
| 100 | _aWilliams, R J | ||
| 245 | _aCatalysts for hydrocrackimg and refining heavy oils and tars part 2 | ||
| 260 |
_aCanada: _bEnergy Research Program, _61975 |
||
| 300 | _a31p. | ||
| 650 | _aLanguage | ||
| 653 | _aIndustry | ||
| 700 | _aTernan, M | ||
| 942 |
_2udc _cREF |
||
| 999 |
_c42231 _d42231 |
||