Author: Tjalsma, R.C., 1936.:
Title: Stratigraphy and foraminifera of the Neogene of the Eastern Guadalquivir Basin (Southern Spain).
Description: Utrecht. Folio. Pp. vi,1`21, 16 mounted photogr. pls., several figs., diagrs. and sections on 15 fold. sheets in pocket, refs. Orig. wrs. Thesis, University of Utrecht. Text printed from typescript original.

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