Informatie in woord en beeld over moerassen en plassen.
By: [Door] G. den Hoed. [Ills. M. J. Ch. Kolvoort, G. den Hoed e. a.].
Publisher: Moussault
Published: 1970
Place of publication: Amsterdam
Language: dut
Number of pages: 60
Subjects: Marsh ecology.; Pond ecology.
Notes: Bibliography: p. [58]