TY - JOUR DO - 10.1163/15685381-00002850 UR - http://dx.doi.org/10.1163/15685381-00002850 TI - Spatial analysis of amphibian road mortality levels in northern Portugal country roads T2 - Amphibia-Reptilia AU - Matos, Cátia AU - Sillero, Neftalí AU - Argaña, Elena PY - 2012 PB - Walter de Gruyter GmbH SP - 469-483 IS - 3-4 VL - 33 SN - 0173-5373 SN - 1568-5381 ER -