THE COMPOSITION AND SEASONAL CHANGES IN THE DIET OF BREAM (ABRAMIS BRAMA) IN THE RELATION TO THE ABUNDANCE AND BIOMASS OF ITS FOOD ITEMS IN LAKE VÕRTSJÄRV; pp. 11–22
PDF | https://doi.org/10.3176/biol.1995.1/2.02Andu Kangur, Külli Kangur 
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