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| 007 | a| ||||| | ||
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| 060 | _bPA | ||
| 082 | _a591.78 | ||
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_a591.78 _bPA |
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| 100 | 1 | _aalexandria university . | |
| 245 | 1 | 0 |
_aproceeding of the 9th international confrence on environmental _h[Book] |
| 260 |
_aegypt:alexandria, _c1999. |
||
| 300 | _c25 cm. | ||
| 001 | 0000021625 | ||
| 003 | 0000 | ||
| 942 | _cBK | ||
| 999 |
_c54495 _d54495 |
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