1. Danger: The Ethics of Pre-emptive Action;L Alexander;Ohio State Journal of Criminal Law,2012
2. � 24 -R�cktritt;K Ambos;Gesamtes Strafrecht -Handkommentar,2017
3. Germany;K Ambos;Participation in Crime -Domestic and Comparative Perspectives,2013
4. Model Penal Code and Commentaries;American Law Institute;Part I,1985