Hong Kong Politics after the National Security LawStephan Ortmann, Raymond Kwun-Sun Lau, Kenneth Ka-Lok Chan · First published 2025Open the Tome
China's 'Singapore Model' and Authoritarian LearningStephan Ortmann, Mark R. Thompson · First published 2020Open the Tome
Topological InsulatorsFrank Ortmann, Stephan Roche, Sergio O. Valenzuela, Laurens W. Molenkamp · First published 2015Open the Tome
