Sergiel, A., Barja, I., Navarro-Castilla, Á., Zwijacz-Kozica, T., & Selva, N. (2020). Losing seasonal patterns in a hibernating omnivore? Diet quality proxies and faecal cortisol metabolites in brown bears in areas with and without artificial feeding. PLoS One.

Sergiel, Agnieszka, Isabel Barja, Álvaro Navarro-Castilla, Tomasz Zwijacz-Kozica, και Nuria Selva. "Losing Seasonal Patterns in a Hibernating Omnivore? Diet Quality Proxies and Faecal Cortisol Metabolites in Brown Bears in Areas With and Without Artificial Feeding." PLoS One 2020.

Sergiel, Agnieszka, et al. "Losing Seasonal Patterns in a Hibernating Omnivore? Diet Quality Proxies and Faecal Cortisol Metabolites in Brown Bears in Areas With and Without Artificial Feeding." PLoS One 2020.