@article {Abd:April 1999:0022-4898:63,
	author = "Abd El-Gawwad K.A.",
	author = "Crolla D.A.",
	author = "Soliman A.M.A.",
	author = "El-Sayed F.M.",
	title = "Off-road tyre modelling III: effect of angled lugs on tyre performance",
	journal = "Journal of Terramechanics",
	volume = "36",
	year = "April 1999",
	abstract = "",
	pages = "63-75(13)",
	url = "http://www.ingentaconnect.com/content/els/00224898/1999/00000036/00000002/art00033"
	doi = "doi:10.1016/S0022-4898(98)00033-0"
}