1.

Conference Proceedings
Conference Proceedings
1. Investigation of atmospheric neutral constituents by photoionization techniques
Croskey, C.L. ; Mitchell, J.D. ; Friedrich, M.
Pub. info.: 16th ESA Symposium on European Rocket and Balloon Programmes and Related Research, 2 - 5 June 2003, Sankt Gallen, Switzerland.  pp.395-400,  2003.  Noordwijk, The Netherlands.  ESA Publications Division
Title of ser.: ESA SP
Ser. no.: 530
2.

Conference Proceedings
Conference Proceedings
2. Towards neural network based models for the ionospheric D-region
McKinnell, L.-A. ; Friedrich, M.
Pub. info.: 16th ESA Symposium on European Rocket and Balloon Programmes and Related Research, 2 - 5 June 2003, Sankt Gallen, Switzerland.  pp.369-374,  2003.  Noordwijk, The Netherlands.  ESA Publications Division
Title of ser.: ESA SP
Ser. no.: 530
3.

Conference Proceedings
Conference Proceedings
3. Long-Term Trends and other Residual Features of the Lower Ionosphere
Friedrich, M. ; Torkar, K.M.
Pub. info.: 15th ESA Symposium on European Rocket and Balloon Programmes and Related Research, 28 - 31 May 2001, Biarritz, France.  pp.357-362,  2001.  Noordwijk, The Netherlands.  ESA Publications Division
Title of ser.: ESA SP
Ser. no.: 471
4.

Conference Proceedings
Conference Proceedings
4. Critical dimension variations of I-line processes due to swing effects [6152-153]
Berger, C. ; Schiwon, R. ; Trepte, S. ; Friedrich, M. ; Kubis, M. ; Horst, J ; Grandpierre, A. G.
Pub. info.: Metrology, Inspection, and Process Control for Microlithography XX.  pp.61523T-,  2006.  Bellingham, Wash..  SPIE - The International Society of Optical Engineering
Title of ser.: Proceedings of SPIE - the International Society for Optical Engineering
Ser. no.: 6152