J. E. Arevalo, W. Honda, A. Arce-Arias, and A. Häger, “Spatio-temporal variation of roadkills show mass mortality events for amphibians in a highly trafficked road adjacent to a national park, Costa Rica”, Rev. Biol. Trop., vol. 65, no. 4, pp. 1261–1276, Dec. 2017.