522,883 LAWIN P. /red./ Ethrane. Proceedings of the First European Symposium on Modern Anesthetic Agents. Hamburg, November, 9th and 10th, 1973. Ed. by P. Lawin and R. Beer. In cooperation with E. Wiethoff. Berlin 1974 Springer - Verl. 8° s. XIII, nlb. 1, 389, nlb. 3, ilustr. Anaesthesiology and Resuscitation 84.