1. Factors influencing the effectiveness of wildlife underpasses in Banff National Park, Alberta, Canada;Clevenger;Conserv Biol,2000
2. Long-term, year-round monitoring of wildlife crossing structures and the importance of temporal and spatial variability in performance studies;Clevenger,2003
3. The use of highway underpasses by large mammals and other wildlife in Virginia and factors influencing their effectiveness;Donaldson,2005
4. Use of underpasses by moose in 2009 and 2010 along highway 175 in Quebec, Canada: box culverts with natural floor can be a cost-effective passageway;Leblanc,2011
5. Reed DF, Ward AL. Efficacity of methods advocated to reduce deer-vehicle accidents: research and rationale in the USA. In: Routes et faune sauvage. Bagneaux: Service d’Etudes Techniques de Routes et Autoroutes; 1985. p. 285–93.