C Ell

[Application of irradiation and monitoring of the light dose in photodynamic laser therapy].

R Sroka, E Unsöld, C Ell, 1988, Biomedizinische Technik. Biomedical engineering.

Many-body effects in gain and refractive-index spectra of bulk and quantum-well semiconductor lasers.

C Ell, H. Haug, S. Koch, 1989, Optics letters.