| LEADER | 00557nam a22001811a 4500 | ||
|---|---|---|---|
| 001 | UNA01000072447 | ||
| 005 | 20120328192504.0 | ||
| 008 | 080728s1961 000 0 eng d | ||
| 040 | |a Sistema de Bibliotecas de la Universidad Nacional de Costa Rica | ||
| 082 | 0 | 4 | |a 574.1927 |b B967r |
| 100 | 1 | |a Burns, R. K | |
| 245 | 1 | 4 | |a The role of hormones in the differentiation of sex / |c R. K. Burns, Ph. D. Sc (hon.) |
| 260 | |a U. S. A. : |b The Williams & Wil , |c 1961 | ||
| 300 | |a 158 p. : |b il. | ||
| 650 | 0 | 4 | |a HORMONAS |
| 650 | 0 | 4 | |a SEXO |
| 650 | 0 | 4 | |a ANFIBIOS |
| 650 | 0 | 4 | |a GONADAS |