Abbreviation: Ettlinger et al. 1990
Bibliography created by Simon Dienst.Complete reference: E. Ettlinger, B. Hedinger, B. Hoffmann, Ph.M. Kenrick, G. Pucci, K. Roth-Rubi, G. Schneider, S. von Schnurbein, C.M. Wells, S. Zabehlicky-Scheffenegger, Conspectus Formarum Terrae Sigillatae Italico Modo Confectae, Bonn 1990.
