An ecological study of ditch vegetation in the Netherlands
By: Louis de Lange
Contributors: Universiteit van Amsterdam
Publisher: [s.n.]
Published: 1972
Place of publication: [s.l.]
Language: eng
Number of pages: 112
Subjects: Aquatic plants; Aquatic ecology; Ditches
Notes: Thesis (doctoral)--Universiteit van Amsterdam, 1972.

Bibliography: p. 104-112.