The Miocene flora of Kreuzau, Western Germany. - Ferguson, David K. (Amsterdam, Noord-Hollandsche U.M., 1971)
v. 1. The leaf-remains.
Summaries in English, French and German.
Bibliography: p. [278]-289. (v. 1)
Keywords: Paleobotany -- Miocene; Paleobotany -- Germany -- Kreuzau