K. W. Barthel

Solnhofen : a study in Mesozoic palaeontology

S. Morris, N. Swinburne, K. W. Barthel, 1994 .

Concentric marks; current indicators

K. W. Barthel, 1966 .

Limulus: a living fossil

K. W. Barthel, 1974, Naturwissenschaften.

Late Cretaceous and Early Tertiary Stratigraphy in the Great Sand Sea and its SE Margins (Farafra and Dakhla Oases), SW Desert, Egypt

K. W. Barthel, W. Herrmann-Degen, 1981 .

Abu Ballas Formation (Tithonlan/Berriasian; Southwestern Desert, Egypt) a significant lithostratigraphic unIt of the former 'Nubian Series'

R. Boettcher, K. W. Barthel, 1978 .