TY  - GEN
AU  - Sjögren,Per
TI  - Extinction and isolation gradients in metapopulations: the case of the pool frog (<rana Lessonae>)
KW  - Evolución
KW  - Metapoblaciones
KW  - Anfibios
KW  - Rana
KW  - Rana Lessonae
ER  -