Holger Hennig, Ragnar Fleischmann, and Theo Geisel, "Immer haarscharf daneben," Spektrum der Wissenschaft 9, 16-20 (2012).

Holger Hennig, Ragnar Fleischmann, and Theo Geisel, "Musical rhythms: The science of being slightly off," Physics Today 65, 64-65 (2012).

Denis Maryenko, Jakob J. Metzger, Ragnar Fleischmann, Theo Geisel, Vladimir Umansky, Frank Ospald, Klaus v. Klitzing, and Jurgen Smet, "How branching can change the conductance of ballistic semiconductor devices," Physical Review B 85, 195329 (2012).