Fasano, S., and A. Aluigi. “Preliminary Data on the Density of Reproductive of Anthus Campestris and Sylvia Undata Found in the Beigua Natural Park and ‘Beigua-Turchino’ SPA (Liguria, N Italy)”. Rivista Italiana Di Ornitologia, vol. 82, no. 1-2, Sept. 2012, doi:10.4081/rio.2012.147.