| LEADER | 00472nam a22001571a 4500 | ||
|---|---|---|---|
| 001 | UNA01000017179 | ||
| 005 | 20120328185340.0 | ||
| 008 | 080728s1967 000 0 spa d | ||
| 040 | |a Sistema de Bibliotecas de la Universidad Nacional de Costa Rica | ||
| 082 | 0 | 4 | |a 501 |b G784c |
| 100 | 1 | |a Grayson-Smith, Hugh | |
| 245 | 1 | 4 | |a Los Conceptos cambiantes de la ciencia / |c Hugh Grayson-Smith |
| 260 | |a [S.l.] : |b Fuentes , |c 1967 | ||
| 300 | |a 691 p. | ||
| 650 | 0 | 4 | |a CIENCIA |
| 650 | 0 | 4 | |a FILOSOFIA |