| 000 | 00394nam a22001697a 4500 | ||
|---|---|---|---|
| 999 |
_c5690 _d5690 |
||
| 020 | _a0091563518 (bk 1) | ||
| 020 | _a0091593514 (bk 2) | ||
| 020 | _a0091597315 (bk.3) | ||
| 082 |
_a507 _bB37 |
||
| 100 | _aBateman, R. | ||
| 245 | _aSteps in science | ||
| 260 |
_aLondon _bHutchinson _cc1985 |
||
| 300 |
_a96 p. _billus. ; 29 cm. |
||
| 650 | _aScience | ||
| 700 | _aLidstone, P. | ||
| 942 | _cBK | ||