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| 008 | 180718b1981 xxu||||| |||| 00| 0 eng d | ||
| 020 | _a085229381X | ||
| 082 | _aA31 En19/81 R | ||
| 245 | _aBritannica Book of the Year, 1981 | ||
| 260 |
_aChicago _bEncyclopaedia Britannica _c1981 |
||
| 300 | _a766p. | ||
| 650 | _aYearbook | ||
| 700 | _aBritannica Book of the Year,1981 | ||
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_c436778 _d436778 |
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