TY - JOUR DO - 10.1016/j.jenvman.2007.03.014 UR - http://dx.doi.org/10.1016/j.jenvman.2007.03.014 TI - Are motorway wildlife passages worth building? Vertebrate use of road-crossing structures on a Spanish motorway T2 - Journal of Environmental Management AU - Mata, C. AU - Hervás, I. AU - Herranz, J. AU - Suárez, F. AU - Malo, J.E. PY - 2008 DA - 2008/08 PB - Elsevier BV SP - 407-415 IS - 3 VL - 88 SN - 0301-4797 ER -