| 000 | 00718nas a2200241uu 4500 | ||
|---|---|---|---|
| 000 | 00568cam a22001693a 4500 | ||
| 001 | 18602 | ||
| 003 | PGUSA | ||
| 005 | 20160229135606.0 | ||
| 008 | 060616s2006||||xxu|||||s|||||000 1 eng d | ||
| 040 |
_a PGUSA _b eng |
||
| 042 | _a dc | ||
| 050 | 4 | _aPS | |
| 100 |
_a Smith, George O. _q (George Oliver), _d 1911-1981 |
||
| 245 |
_a The Fourth "R" _h [recurso electrónico] / _c George O. Smith |
||
| 260 |
_b Project Gutenberg, _c 2006 |
||
| 506 | _a Public domain in the USA. | ||
| 516 | _a Text | ||
| 653 | _a Science fiction | ||
| 653 | _a Artificial intelligence -- Fiction | ||
| 830 |
_a Project Gutenberg _v 18602 |
||
| 856 | _u http://www.gutenberg.org/ebooks/18602 | ||
| 999 |
_c20789 _d20789 |
||