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- [1] PROCESSES CONTRIBUTING TO THE DECAY OF REED (PHRAGMITES-AUSTRALIS) LITTER IN FRESH-WATER ARCHIV FUR HYDROBIOLOGIE, 1982, 94 (02): : 182 - 209
- [3] SEASONAL-VARIATION OF EPIPHYTIC EXTRACELLULAR ENZYME-ACTIVITY ON 2 FRESH-WATER PLANTS, PHRAGMITES-AUSTRALIS AND ELODEA-CANADENSIS ARCHIV FUR HYDROBIOLOGIE, 1994, 132 (02): : 237 - 253
- [4] CIRCADIAN AND ULTRADIAN ACTIVITY RHYTHMS OF A FRESH-WATER GASTROPOD, HELISOMA-TRIVOLIS - THE EFFECTS OF SOCIAL-FACTORS AND EYE REMOVAL BEHAVIORAL AND NEURAL BIOLOGY, 1981, 32 (03): : 350 - 363