Observations on sponges
By: by G.C.J. Vosmaer and C.A. Pekelharing.
Contributors: Pekelharing, Cornelis Adrianus, 1848-1922.
Series: Verhandelingen der Koninklijke Akademie van Wetenschappen te Amsterdam, Afdeeling Natuurkunde. Tweede sectie ;; d. 6, no. 3
Publisher: J. Müller
Published: 1898
Place of publication: Amsterdam
Language: eng
Number of pages: 51
Subjects: Sponges.
Notes: Bibliography: p. [44]-47.