“Pluriannual Evolution of the Hydrochemistry of Two Alpine Lakes (Lake Paione Inferiore and Lake Paione Superiore, Ossola Valley) in Relation to Atmospheric Loads”. Journal of Limnology 58, no. 1 (February 1, 1999): 42–48. Accessed June 24, 2025. https://www.jlimnol.it/jlimnol/article/view/jlimnol.1999.42.