5 books • 2 series
Series of Revisions of Apocynaceae XLIV (Wageningen Agricultural University Papers,, 97-2)
Revision of Tabernaemontana 2 the New World Species and Stemmadenia
Revision of Tabernaemontana 1, A
Medicinal and Poisonous Plants of the Tro
Series of Revisions of Apocynaceae (Agricultural University Wageningen papers, 85-3) (Wageningen Agricultural University Papers,, 92-2)