Beiträge zur Kenntniss der Hydromedusenaugen
Subtitle: (Vorläufige Mittheilung)
Published: 1897
Place of publication: St. Pétersbourg
Language: ger
Number of pages: 10
Notes: [In Russian and English].

Trav. Soc. impér. nat. St. Petersbourg. Sect. de zool. & physiol. 1897. 28. Livr. 1. 21-26, 50-54.

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