@article {92,
	title = {Variations in the apertural region of Annonaceae pollen},
	journal = {Taxon},
	volume = {37},
	number = {3},
	year = {1988},
	month = {Aug},
	pages = {644-656},
	url = {<Go to ISI>://A1988U731900012 },
	author = {Le Thomas, A.}
}
