J. F. Veldkamp

title	ISBN-13 (ISBN-10)	year of publica- tion	other author(s)
Thonner's Analytical Key to the Families of Flowering Plants	978-9O-22O-O73O-3 (9O-22O-O73O-8)	1981	R. Geesink · A. J. M. Leeuwenberg · C. E. Ridsdale