1994 528 p., num. figs & pls, 4to, paperbound. Abhandlungen der geologischen Bundesanstalt. Ex library Dr. A. Brouwer (with his signature).With 30 contributions on geology, fossil sponges, fossilcorals and reefs, conodonts, radiolarians, calcareous algae, foraminifera, bryozoans, ammonites etc.