@inbook {93,
	title = {Pollen of palaeo- and neotropical Annonaceae: definition of the aperture by morphological and functional characters},
	booktitle = {Pollen and spores: form and function},
	year = {1986},
	pages = {375{\textendash}388},
	publisher = {Academic Press.},
	organization = {Academic Press.},
	address = {London},
	author = {Le Thomas, A. and Morawetz, W. and Waha, M.},
	editor = {Blackmore, S. and Ferguson, I.K.}
}
@inbook {72,
	title = {Implications of molecular data for pollen evolution in Annonaceae},
	booktitle = {Pollen \& Spores: Morphology and Biology},
	year = {2000},
	pages = {259-284},
	publisher = {Royal Botanic Gardens},
	organization = {Royal Botanic Gardens},
	address = {Kew},
	author = {Doyle, JA and Bygrave, P.C. and Le Thomas, A.},
	editor = {Harley, M.M and Morton, C.M. and Blackmore, S.}
}
