Author: Seward, A.C., 1911.:
Title: Jurassic plants from Chinese Dzungaria collected by Professor Obrutschew. [Mém. Comité Géol., N.S., 75.]
Description: St. Petersburg. Large 4to. Pp. [ii].61,[15], many figs. on 7 plates, refs. Cloth-backed boards, orig. printed front cover mounted. - Text in Russian and English. Very scarce.

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