International Review of Hydrobiology
International Review of Hydrobiology > 95 > 6 > 441 - 449
International Review of Hydrobiology > 96 > 6 > 686 - 708
International Review of Hydrobiology > 99 > 1-2 > 84 - 95
International Review of Hydrobiology > 104 > 5-6 > 137 - 146