Svanberg, Ingvar, et al. "History and current trends of ethnobiological research in Europe." Ethnobiology, Wiley-Blackwell, Chichester, UK (2011): 191-214.

Svanberg, Ingvar, et al. "History and current trends of ethnobiological research in Europe." Ethnobiology, Wiley-Blackwell, Chichester, UK (2011): 191-214.

 

 http://etnobotanica.de/Svanberg%20et%20al.,%202011.pdf