[1]
Larrea, V., Arnáez Vadillo, J. and Ortigosa, L. 2013. Natural revegetation on road-sides of hill roads (Iberian System, La Rioja, Spain). Cuadernos de Investigación Geográfica. 20, (May 2013), 85–97. DOI:https://doi.org/10.18172/cig.1010.