| 000 | 00386nam a2200145Ia 4500 | ||
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| 008 | 230711s9999||||xx |||||||||||||| ||und|| | ||
| 041 | _aENG | ||
| 082 |
_a621 _bRA-S |
||
| 100 | _aRaja Gopalan | ||
| 245 | 0 | _aSelected methods of measuring air pollution | |
| 250 | _a2nd | ||
| 260 |
_c1991 _aNew Delhi _bUBS Publishers and Distributors Pvt.Ltd. |
||
| 650 | _aCivil Engineering | ||
| 942 | _cBK | ||
| 999 |
_c170 _d170 |
||