by E. L. Mark
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Trichinae in swine
A biological station at Bermuda
The Bermuda Biological Station for Resea...
Collected papers
Beiträge zur Anatomie und Histologie der...
The new Bermuda Biological Station for R...
Over de verspreiding, de uitbreiding en ...
Die Nacktschnecken Polens: Arionidae, Mi...
The gray garden slug
The morphology and histology of the geni...
Contributions to the morphology and hist...
Die Nacktschnecken Polens