| 000 | 00348nam a2200121Ia 4500 | ||
|---|---|---|---|
| 008 | 210804s9999 xx 000 0 und d | ||
| 082 |
_a551.79 _bCEY |
||
| 110 | _aColombo observator | ||
| 245 | 0 | _aReport on the Colombo observatory for 1923 (with maps and statistics) | |
| 260 |
_aBureau _bGovernment pub. _c1923 |
||
| 300 | _a36 p. | ||
| 942 | _cPRGD | ||
| 999 |
_c159426 _d159425 |
||