@book{720470,
	author = {Polak, Barbara},
	title = {The influence of food density and the size of food rations on the consumption and development of  Aphidophagous Syrphidae (Diptera) /},
	year = {1979.},
	address = {Warszawa,},
	note = {ცალკე ამონაბეჭდი : Annales Zoologici, 1980, T. 35, Nr. 10, pp. 105-115.}
}