The Osteostraci (Vertebrete, Agnatha) from the Lower Devonian of the Rhenish Slate Mountains, with special reference to their anatomy and phylogenetic position.
1986. N. Jb. Geol. Paläont. 173-1; pp. 99-116, 7 fig./phot. Orig. extract, stapled, very good.
New otoliths from Syltian (Late Miocene) of the Morsum Cliff, Island of Sylt (F.R.G.) and the paleogeography of the North Sea Basin during and after the Syltian.
1983. Reprint Meded. Werkgr. Tert. Kwart. Geol. 20; pp. 67-91, 2 fig. 2 plts. No wrps. 4to.
New concepts in the evolution of the Gadidae (Vertebrata, Pisces), based on their otoliths.
1976. Meded. WTKG 13-1; pp. 3-32, 11 fig. 1 fold. plt. in pocket. Orig. wrps. libr. ticket on title page and at base of spine, otherwise very good, 4to.