Studies on dactylorchids.
Publisher: Drukkerij Fa. Schotanus & Jens
Published: 1947
Place of publication: Utrecht
Language: eng
Number of pages: 180
Subjects: Orchids.
Notes: Bibliography: p. [175]-180.
Academisch proefschrift--Amsterdam.
"Samenvatting": p. [ix]-xii.
"Stellingen" ([2] p.) inserted.