@article {310802,
	title = {What do stable isotopes tell us about hominid dietary and ecological niches in the Pliocene?},
	journal = {International Journal of Osteoarchaeology},
	volume = {13},
	year = {2003},
	pages = {104-113},
	author = {Lee-Thorp, J. A. and Sponheimer, M. and van der Merwe, NJ.}
}
