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| 020 | _a0070454884 | ||
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_a505.8 _bMCG |
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| 245 | 1 | 0 |
_aMcgraw-hill year book of science and technology _cCompiled by the staff Mcgraw-Hill |
| 260 |
_aNew York: _bMcgraw-Hill Inc., _c1981. |
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| 300 | _a433p. | ||
| 500 | _aHB | ||
| 546 | _aEng | ||
| 650 | 4 |
_aScience-Yearbooks _929207 |
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| 650 | 4 |
_aTechnology-Yearbooks _922630 |
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| 700 |
_aMcgraw-Hill Inc. (comp.) _929088 |
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| 942 | _cREF | ||
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_c74227 _d74227 |
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