@article {Glowacka1983,
	title = {Jumpin plant- lice (Homaptera: Psylloidea) of the Pirin Mountains (Bulgaria)},
	journal = {Acta Biologica Silesiana},
	volume = {13},
	year = {1983},
	pages = {14{\textendash} 19},
	keywords = {Bulgaria},
	author = {G{\l}owacka, E.}
}
