1. Zur Nahrungswahl und Rationsgrösse 3–4 sömmiger Silberkarpfen;Barthelmes;Z. Binnenfisch. DDR,1978
2. The nutrition of stomachless phytoplanktivorous fish in comparison with Tilapia;Bitterlich;Hydrobiologia,1984
3. Calorific and carbon values of marine and freshwater protozoa;Finlay;Helgol. Wiss. Meeresunters.,1981
4. Proximate biochemical composition and caloric value calculated from elemental CHN analysis: a stoichiometric concept;Gnaiger;Oecologia,1984
5. Studies on food selectivity of silvercarp, Hypophthalmichthys molitrix (Val.);Kajak;Ekol. Pol.,1977