C. Bittner

In situ microscopy for on-line determination of biomass.

T. Scheper, C. Bittner, G. Wehnert, 1998, Biotechnology and bioengineering.

In situ microscopy for on‐line characterization of cell‐populations in bioreactors, including cell‐concentration measurements by depth from focus

B. Jähne, H. Suhr, T. Scheper, 1995, Biotechnology and bioengineering.