@inbook {5669,
	title = {Comparative morphology evaluation of inflorescence characters in Annonaceae},
	booktitle = {Reproductive morphology in Annonaceae},
	year = {1996},
	pages = {29-53},
	publisher = {Osterreichische Akademie der Wissenschaften},
	organization = {Osterreichische Akademie der Wissenschaften},
	address = {Vienna},
	author = {Weberling, F. and Hoppe, J.R.},
	editor = {Morawetz, W. and Winkler, H.}
}
@inbook {5250,
	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 {5252,
	title = {Reproductive Morphology in Annonaceae},
	booktitle = {Early floral developmental studies in Annonaceae {\textendash} Biosystematics and Ecology Series},
	volume = {10},
	year = {1996},
	pages = {1-27},
	publisher = {Akademie der Wissenschaften},
	organization = {Akademie der Wissenschaften},
	address = {Wien},
	author = {Leins, P. and Erbar, C.},
	editor = {Morawetz, W. and Winkler, H.}
}
@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.}
}
