| 000 | 00683nas a2200241uu 4500 | ||
|---|---|---|---|
| 000 | 00568cam a22001693a 4500 | ||
| 001 | 31547 | ||
| 003 | PGUSA | ||
| 005 | 20160229141701.0 | ||
| 008 | 100307s2010||||xxu|||||s|||||000 1 eng d | ||
| 040 |
_a PGUSA _b eng |
||
| 042 | _a dc | ||
| 050 | 4 | _aPS | |
| 100 |
_a Asimov, Isaac, _d 1920-1992 |
||
| 245 |
_a Youth _h [recurso electrónico] / _c Isaac Asimov |
||
| 260 |
_b Project Gutenberg, _c 2010 |
||
| 506 | _a Public domain in the USA. | ||
| 516 | _a Text | ||
| 653 | _a Human-alien encounters -- Fiction | ||
| 653 | _a Science fiction | ||
| 830 |
_a Project Gutenberg _v 31547 |
||
| 856 | _u http://www.gutenberg.org/ebooks/31547 | ||
| 999 |
_c33734 _d33734 |
||