@inbook {4227,
	title = {COMMENTARY 3: Two codes in a Dual System? No Thanks},
	booktitle = {Biological Nomenclature in the 21st Century},
	year = {1996},
	pages = {8 pp},
	publisher = {Electronically},
	organization = {Electronically},
	address = {Internet},
	keywords = {NOMENCLATURE},
	author = {Zijlstra, Gea},
	editor = {Reveal, James L.}
}
@article {2203,
	title = {In memory opf Frans Stafleu (1921-1997)},
	journal = {Brittonia},
	volume = {50},
	year = {1998},
	pages = {420-427},
	keywords = {STAFLEU},
	author = {Farjon, Aljors and Westhoff, Victor and Zijlstra, Gea}
}
