| 000 | 003370000a22001090004500 | ||
|---|---|---|---|
| 245 | _aProceedings of the seminar on recent developments in the field of public health engineering | ||
| 110 | _aInstitute of Engineers India, Calcutta IN | ||
| 260 |
_aCalcutta _bIEI _c1973 |
||
| 080 |
_a628(540)(047.1) _bI6 |
||
| 041 | _aEN | ||
| 942 | _cBK | ||
| 999 |
_c109320 _d109320 |
||