| 000 | 00382nam a22001097a 4500 | ||
|---|---|---|---|
| 082 |
_a333.72 _bZAK/O |
||
| 100 | _aзахлебный/zakhlebny | ||
| 245 | _aохрана природы в школьном курсе биологии:okhrana prirody v shkol'nom kurse biologii/nature conservation in school biology course | ||
| 260 |
_aMoscow _c1977 |
||
| 300 | _a208p. | ||
| 942 | _cBK | ||
| 999 |
_c507477 _d507477 |
||