| 000 | 00293nam a2200109Ia 4500 | ||
|---|---|---|---|
| 942 | _cBK | ||
| 654 | _a | ||
| 245 |
_aScience out of doors _bReport of the study group on education and field biology |
||
| 260 |
_aLondon _bLongmans Green & Company _c1963 |
||
| 082 | _a375.5 | ||
| 300 |
_bHb _axvi,240 |
||
| 999 |
_c345942 _d345942 |
||
| 041 | _aeng | ||