@book {273,
	title = {Trees of Nigeria},
	year = {1989},
	publisher = {Clarendon Press},
	organization = {Clarendon Press},
	address = {Oxford},
	author = {Keay, R.W.J.}
}
@article {67,
	title = {On systematics and evolutive potentialities of Annonaceae - case of <i>Ambavia gerrardii </i>(Baill.) Le Thomas, an endemic malagasy species},
	journal = {Comptes Rendus de l{\textquoteright}Acad{\'e}mie d{\'e}s Sciences S{\'e}rie III - Sciences de la Vie},
	volume = {309},
	number = {16},
	year = {1989},
	month = {Nov},
	pages = {647-652},
	url = {<Go to ISI>://A1989CC14800003 },
	author = {Deroin, T. and Le Thomas, A.}
}
@article {59,
	title = {Definition and phylogenetic significance of floral cortical systems - the case of Annonaceae},
	journal = {Comptes Rendus de l{\textquoteright}Acad{\'e}mie d{\'e}s Sciences S{\'e}rie III - Sciences de la Vie},
	volume = {308},
	number = {2},
	year = {1989},
	month = {Jan},
	pages = {71-75},
	url = {<Go to ISI>://A1989R885700007 },
	author = {Deroin, T.}
}
