| 000 | nam a22 7a 4500 | ||
|---|---|---|---|
| 999 |
_c55259 _d55259 |
||
| 003 | EG-Heliopolis | ||
| 005 | 20200119105301.0 | ||
| 008 | 190123s1974 nyua g |||| 000 0 eng d | ||
| 020 | _a071721205X | ||
| 040 |
_aEG-Heliopolis _bara _cEG-Heliopolis |
||
| 041 | _aara | ||
| 082 | 0 | 4 |
_221 _a500 / B |
| 245 | 2 | 0 |
_aThe Book of popular science / _n10 |
| 250 | _aط.1. | ||
| 260 |
_aNew York : _bGrolier ، _c1974. |
||
| 300 |
_aPC : P 558 ؛ _c26 CM. |
||
| 650 | 0 | 4 | _aTechnology |
| 650 | 0 | 4 | _aNatural History |