| 000 | 00874nam a22001937a 4500 | ||
|---|---|---|---|
| 005 | 20251108174713.0 | ||
| 008 | 250721s1994 xx 000 0 eng d | ||
| 082 | 1 | 4 | _aR/J/503/YOU |
| 245 | 1 | 0 | _aYoung Scientist / |
| 246 | 1 | 3 | _a1.the planet earth 2. all about water 3.discovering gases 4.the living world 5.plant life 6.animals without backbones 7.animals with backbones 9. using energy 10. introducing electricity 11 . magnnetic power 12. investigating light 13.atoms and molecules 14.looking at structures 15. machines at work 16.communicating 17.the age of computer 18.space technology 19.our world in danger 20.key book |
| 264 | 1 |
_aChicago : _bWorld Book, _c1994. |
|
| 300 | _a20 vol. | ||
| 490 | 0 | _aYoung Scientist | |
| 650 | 1 | 7 | _aSCIENCE |
| 650 | 1 | 7 | _aENCYCLOPAEDIAS |
| 653 | _aناشاون كبار (15-18) سنه | ||
| 942 |
_2ddc _cREF |
||
| 999 |
_c115907 _d115907 |
||