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| 040 | _aBC | ||
| 080 | _a541 BAR T.2 | ||
| 100 | _aBARROW, Gordon M. | ||
| 245 | _aUnderstanding Chemistry, T.2 Chemical bonding | ||
| 260 |
_aEE.UU _b W. A. Benjamin, Inc. _c1967 |
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| 300 | _a120 p. | ||
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