| 000 | 00500nam a2200181 a 4500 | ||
|---|---|---|---|
| 003 | AR-LpUBP | ||
| 005 | 20231114190613.0 | ||
| 007 | ta | ||
| 008 | 090813s1947 ag g 000 0 spa d | ||
| 040 |
_aAR-LpUBP _bspa _cAR-LpUBP |
||
| 100 | 1 |
_aEnriquez, Federico _9101932 |
|
| 245 | 1 | 0 | _aProblemas de la ciencia |
| 260 |
_aBuenos Aires : _bEspasa-Calpe Argentina, S. A., _c1947. |
||
| 300 |
_a298 p. ; _c21 cm. |
||
| 700 | 1 |
_aScheinkestel, L. _etr. _9101933 |
|
| 942 | _cBK | ||
| 999 |
_c158049 _d158049 |
||
| 988 | _c | ||