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| 037 | _cReference Collections | ||
| 040 |
_aRTL _cRTL _beng |
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| 041 |
_2eng _aeng |
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| 082 | _a"X9(D2).4.N9, N1/UN" | ||
| 110 | _a"UNITED NATIONS, ECONOMIC AND SOCIAL COMMISSION FOR ASIA AND THE PACIFIC." | ||
| 245 | 0 | _aGround water quality and monitoring in Asia and the pacfic | |
| 260 |
_aNew _bYork United Nations U S A _c1991 |
||
| 300 |
_a230p. _ccm. |
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| 490 | _a"U N , Water Resources Series, 70" | ||
| 650 |
_aEngineering _9364290 |
||
| 700 | _a"UNITED NATIONS, ECONOMIC AND SOCIAL COMMISSION FOR ASIA AND THE PACIFIC." | ||
| 942 |
_h"X9(D2).4.N9, N1/UN" _cCC |
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| 999 |
_c686165 _d686165 |
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