1. Response of acid stress upon oxygen uptake in eggs of the crayfish Astacus astacus L.;Appelberg,1983
2. Changes in haemolymph ion concentration of Astacus astacus L. and Paciastacus leniusculus (Dana) after exposure to low pH and aluminum;Appelberg;Hydrobiologia,1985
3. Der für Fische ‘todliche pH-Wert’ im alkalischem Bereich;Bandt;Z. Fisch. Hilfswiss.,1936
4. Metabolic responses of the crayfish Procambarus clarkii to reduced pH and elevated aluminum concentration;Becker;Am. Zool.,1983
5. pH tolerance of the first larval stages of Lepidurus arcticus (Pallas) and adult Gammarus lacustris G.O. Sars;Borgstrom,1976