Cossmann, M. (1923). Description des mollusques. Pp. 1-188, 11 pls. in O'Gorman, G. & Cossmann, M. Le gisement Cuisien de Gan (Basses-Pyrénées). Pau: Cossmann & O'Gorman. xxvii + 188 pp., 14 pls.
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Cossmann, M.
1923
Description des mollusques. Pp. 1-188, 11 pls. in O'Gorman, G. & Cossmann, M. <i>Le gisement Cuisien de Gan (Basses-Pyrénées)</i>. Pau: Cossmann & O'Gorman. xxvii + 188 pp., 14 pls.