000 | 00432nam a2200169Ia 4500 | ||
---|---|---|---|
008 | 170519s9999 xx 000 0 und d | ||
020 | _a923102938X | ||
041 | _aEnglish | ||
082 | _a500/WOR | ||
100 | _a UNITED NATIONS EDUCATIONAL, SCIENTIFIC AND CULTURAL ORGANIZATION | ||
245 | _aWORLD SCIENCE REPORT 1993 | ||
250 | _a1ST | ||
260 |
_bUNESCO _aPARIS _c1993 |
||
300 | _a277P | ||
650 | _aPURE SCIENCE | ||
942 | _cBK | ||
999 |
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