| 000 | 00472 a2200145 4500 | ||
|---|---|---|---|
| 008 | 141010b2010 xxu||||| |||| 00| 0 eng d | ||
| 020 | _a9781615300259 | ||
| 082 | _aCH520 | ||
| 100 | _aGregersen, Erik | ||
| 245 |
_aAstronomical observations: _bastronomy and the study of deep space / _cErik Gregersen |
||
| 260 |
_aNew York : _bBritannica Educational Publishing, _c2010. |
||
| 300 | _a214p. | ||
| 650 | _aAstronomy : Observation | ||
| 650 | _aAstronomical : Instruments | ||
| 999 |
_c10453 _d10453 |
||