<p>Fauna u. Flora d. Golfes v. Neapel. Cephalopoden Bd. 1 <br>
Taf. iU <br>
A. Naef äel. <br>
Verlag v. R. Friedländer u. Sokn in Berlin <br></p>
J. B. Obemelter in München
Naef, Adolf
1921
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