@article {5099,
	title = {Revision der Arten einiger Anonaceen-Gattungen III},
	journal = {Acta Horti BergianiActa Horti Bergiani},
	volume = {12},
	number = {1},
	year = {1934},
	note = {007, 010, 038, 041, 047, 049, 054, 055, 063, 071, 082, 088, 100, 133, 167, 168, 206},
	pages = {1-220; pl. 1-20},
	author = {Fries, R. E.}
}
@article {5101,
	title = {Revision der Arten einiger Annonaceen-Gattungen IV},
	journal = {Acta Horti BergianiActa Horti Bergiani},
	volume = {12},
	number = {2},
	year = {1937},
	note = {007, 010, 038, 055, 071, 082, 088, 100, 128, 133, 157, 167, 196, 206},
	pages = {221-288; pl. 1-8},
	author = {Fries, R. E.}
}
@article {5104,
	title = {Revision der Arten einiger Annonaceen-Gattungen V},
	journal = {Acta Horti BergianiActa Horti Bergiani},
	volume = {12},
	number = {3},
	year = {1939},
	note = {010, 016, 038, 041, 044, 080, 081, 133, 167, 170, 185, 196, 206},
	pages = {289-577; pl. 1-40},
	author = {Fries, R. E.}
}
@article {5106,
	title = {Neue amerikanische Annonaceen},
	journal = {Acta Horti BergianiActa Horti Bergiani},
	volume = {13},
	number = {3},
	year = {1941},
	note = {010, 047, 055, 063, 080, 167, 181, 196},
	pages = {103-116},
	author = {Fries, R. E.}
}
