| 000 | 00322nam a2200133Ia 4500 | ||
|---|---|---|---|
| 100 | _aHeller,R. | ||
| 365 |
_b _4.50 |
||
| 942 | _cBK | ||
| 654 | _a | ||
| 245 | _aNew trends in biology teaching # New trends in biology teaching vol-1 | ||
| 260 |
_aParis _bUnited Nations _c1967 |
||
| 082 | _a574.07 | ||
| 300 |
_bPb _a298,xii |
||
| 999 |
_c347401 _d347401 |
||
| 041 | _aeng | ||