SCHMIDT, Roland, Christian KAMENIK, Horst LANGE-BERTALOT, and Rolf KLEE. “Fragilaria and Staurosira (Bacillariophyceae) from Sediment Surfaces of 40 Lakes in the Austrian Alps in Relation to Environmental Variables, and Their Potential for Palaeoclimatology”. Journal of Limnology 63, no. 2 (August 1, 2004): 171–189. Accessed April 20, 2024. https://www.jlimnol.it/jlimnol/article/view/jlimnol.2004.171.