Literature references
1 literature reference for Natrix natrix NILSON & ANDRÉN 1981:
| Author: | Nilson, G. and Andren, C. |
|---|---|
| Year: | 1981 |
| Title: | Morphology and taxonomic status of the grass snake, Natrix natrix (L.) (Reptilia, Squamata, Colubridae) on the island of Gotland, Sweden. |
| Source: | Zoological Journal of the Linnean Society 72: 355-368 |