@conference {81,
	title = {Evaluation of some natural enemies of alfaalfa aphids},
	booktitle = {Proceedings of the 9th Iranian Plant Protection Congress, Mashhad},
	year = {1989},
	author = {Rasulian, Gh}
}
@book {69,
	title = {A Checklist of Insects, Mites \& Rodents Affecting Stored Products in Iran},
	year = {1989},
	publisher = {Entomological Society of Iran},
	organization = {Entomological Society of Iran},
	author = {Shahhosseini, MI and Kamali, H}
}
@book {19,
	title = {Determination list of entomophagous insects},
	year = {1989},
	publisher = {OILB},
	organization = {OILB},
	author = {Haeselbarth, Erasmus}
}
