http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
taxonomic revision of the continental African Bulbophyllinae
300 pages, 11 pages of plates : illustrations (some color) ; 25 cm.
J.J. Vermeulen ; drawings by the author.
Spine title: Continental African Bulbophyllinae.
"Published and distributed for the Rijksherbarium, State University Leiden"--Title page verso.