Polak, Barbara The influence of food density and the size of food rations on the consumption and development of Aphidophagous Syrphidae (Diptera) / Barbara Polak. - Warszawa, 1979. ცალკე ამონაბეჭდი : Annales Zoologici, 1980, T. 35, Nr. 10, pp. 105-115. Subjects--Index Terms: ზოოლოგია