1. Graskarpfen;Antalfi,1971
2. The nutrition of stomachless phytoplanktivorous fish in comparison with Tilapia;Bitterlich;Hydrobiologia,1985
3. Digestive enzyme pattern of two stomachless filterfeeders, silver carp (Hypophthalmichthys molitrix) and bighead carp (Aristichthys nobilis);Bitterlich;J. Fish Biol.,1985
4. Phytoplanktivorous or omnivorous fish? Digestibility of zooplankton by silvercarp, Hypophthalmichthys molitrix (Val.);Bitterlich;Aquaculture,1984
5. An in vitro method for measuring protein digestibility of fish feed components;Grabner;Aquaculture,1985