@article {19893,
	title = {Studies on the CCN , Heterodera zeae in Egypt: I- Descritive comparisons of four populations of the corn cyst nematode.  },
	journal = {Bull. Zool. Soc., },
	volume = {38},
	year = {1989},
	pages = {25-34},
	author = {A.M.Kheir and Farahat, A. A. and undefined}
}
