1. Decomposition of alder leaves in acid lake waters;Andersson,1985
2. Biotic interactions within the littoral community of Swedish forest lakes during acidification;Appelberg;Ambio,1993
3. Impact of acidification and liming on the microbial ecology of lakes;Bell;Ambio,1993
4. An improved Kajak-type gravity core sampler for soft bottom sediments;Blomqvist;Schweiz. Z. Hydrol,1985
5. Biology of microorganisms;Brock,1994