@article {13600,
	title = { Some analytical studies in relation to cyclicity of buffalo-heifers. },
	journal = {Vet. Med. J., Giza},
	volume = {45},
	year = {1997},
	pages = {427 {\textendash} 435},
	author = {Abass, H. I. and Essawy, G. S. and M. Soliman and Younis, M.}
}
