U. B. Sleytr, P. Messner, D. Pum and M. Sára (Editors), Crystalline Bacterial Cell Surface Layers. XII + 193 S., 96 Abb., 10 Tab., Berlin—Heidelberg—New York—London—Paris—Tokyo 1988. Springer‐Verlag. DM 89,00. ISBN: 3–540–19082