| 000 | nam a22 7a 4500 | ||
|---|---|---|---|
| 999 |
_c87184 _d87184 |
||
| 008 | 210916b xxu||||| |||| 00| 0 eng d | ||
| 020 | _a9786068992174 | ||
| 082 |
_a520.76 _bSan |
||
| 100 | _aSandu, Mihail | ||
| 245 |
_aInternational Olympiad on Astronomy and Astrophysics _bProblems 2015-2020 |
||
| 260 |
_aRomania _bCygnus _c2021 |
||
| 300 |
_avol.3, 590p.:ill _bpb |
||
| 650 | _aOlympiad | ||
| 650 | _aAstronomy | ||
| 650 | _aAstrophysics | ||
| 942 | _cBK | ||