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| 999 |
_c65572 _d65572 |
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| 005 | 20220901150518.0 | ||
| 008 | 180710s9999 xx 000 0 und d | ||
| 041 | _aEN | ||
| 082 |
_a378.5489 _bUNI _223 |
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| 100 | _aUniversity of Colombo | ||
| 245 | _aHand book Faculty of Science / | ||
| 260 |
_aColombo _bUniversity of Colombo _c1991 |
||
| 300 | _a179 p. | ||
| 942 | _cPR | ||