TY - JOUR DO - 10.1163/156853808785112066 UR - http://dx.doi.org/10.1163/156853808785112066 TI - Amphibian mortality levels on Spanish country roads: descriptive and spatial analysis T2 - Amphibia-Reptilia AU - Sillero, NeftalĂ­ PY - 2008 PB - Walter de Gruyter GmbH SP - 337-347 IS - 3 VL - 29 SN - 0173-5373 SN - 1568-5381 ER -