Psenner, R., Sattler, B., Wille, A., Fritsen, C. H., Priscu, J., Felip, M., Catalan, J. (1999). Lake ice microbial communities in alpine and antarctic lakes, In Cold-Adapted Organisms: Ecology, Physiology, Enzymology and Molecular Biology, 17-31, Springer Berlin Heidelberg, 10.1007/978-3-662-06285-2_2