Micheel, Lutz and Sigurdardottir, A. and Hartnagel, H. L. and Mutamba, K. (1999):
GaAs- and InP-based technologies of resonant tunneling devices.
In: International Workshop on Post-Binary Ultra-Large-Scale Integration systems <8, 1999, Freiburg im Breisgau>: Proceedings, [Conference or Workshop Item]

Micheel, Lutz and Sigurdardottir, A. and Hartnagel, H. L. and Mutamba, K. (1999):
Programmable HBT-Quantum dot structures for arithmetic MVL.
In: International Workshop on Post-Binary Ultra-Large-Scale Integration Systems <8, 1999, Freiburg im Breisgau>: Proceedings,, [Conference or Workshop Item]

Micheel, Lutz and Hartnagel, H. L. (1996):
Interband RTDs with nanoelectronic HBT-LED structures for multiple-valued computation.
In: IEEE Multivalued Conference <1996, Santiago die Compostela>: Proceedings, [Conference or Workshop Item]