@article {32618,
	title = {Social organization in caged layers: the peck order revisited},
	journal = {Poultry science},
	volume = {67},
	year = {1988},
	note = {n/a},
	pages = {1008-1014},
	publisher = {Poultry Science Association},
	abstract = {n/a},
	isbn = {0032-5791},
	author = {O{\textquoteright}KEEFE, TR and Graves, HB and Siegel, HS}
}
