LAMBRECHT, K.
Protoplotus beauforti n.g., n.sp., ein Schlangenhalsvogel aus dem Tertiär von W.-Sumatra.
1931. Dienst Mijnbouw Ned.-Ind. Wetensch. Meded. No. 17; pp. 15-24, 4 fig. 2 plts. h.t. Orig. extract, stapled, very good.
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