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Population dynamics and vertical distribution of pelagic rotifers in oligotrophic maar lakes | Oehms, Martina; Seitz, Alfred | 1992 | |
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Macrozoobenthos including Ostracoda (Crustacea) | Wendling, Klaus; Scharf, Burkhard W. | 1992 | |
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Faunistic studies on ciliates of three Eifel maar lakes | Packroff, Gabriele | 1992 |