Schänzer, W., Geyer, H., Gotzmann, A., & Mareck, U. (2008). Recent advances in doping analysis (16): Proceedings of the Manfred Donike Workshop ; 26th Cologne Workshop on Dope Analysis ; 24th to 29th February 2008. Sportverl. Strauß. http://d-nb.info/992895294/04

Schänzer, Wilhelm, Hans Geyer, Andrea Gotzmann, and U. Mareck. Recent Advances in Doping Analysis (16): Proceedings of the Manfred Donike Workshop ; 26th Cologne Workshop On Dope Analysis ; 24th to 29th February 2008. Sportverl. Strauß, 2008.

Schänzer, Wilhelm, Hans Geyer, Andrea Gotzmann, and U. Mareck. Recent Advances in Doping Analysis (16): Proceedings of the Manfred Donike Workshop ; 26th Cologne Workshop On Dope Analysis ; 24th to 29th February 2008. Sportverl. Strauß, 2008.