| 000 | 00768nas a2200265uu 4500 | ||
|---|---|---|---|
| 000 | 00568cam a22001693a 4500 | ||
| 001 | 33839 | ||
| 003 | PGUSA | ||
| 005 | 20160229141923.0 | ||
| 008 | 101004s2010||||xxu|||||s|||||000 1 eng d | ||
| 040 |
_a PGUSA _b eng |
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| 042 | _a dc | ||
| 050 | 4 | _aPS | |
| 100 |
_a Aycock, Roger D., _d 1914-2004 |
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| 245 |
_a Problem on Balak _h [recurso electrónico] / _c Roger D. Aycock |
||
| 260 |
_b Project Gutenberg, _c 2010 |
||
| 506 | _a Public domain in the USA. | ||
| 516 | _a Text | ||
| 653 | _a Short stories | ||
| 653 | _a Identity -- Fiction | ||
| 653 | _a Human-alien encounters -- Fiction | ||
| 653 | _a Science fiction | ||
| 830 |
_a Project Gutenberg _v 33839 |
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| 856 | _u http://www.gutenberg.org/ebooks/33839 | ||
| 999 |
_c36026 _d36026 |
||