J.  Dieter, Lauer, H., Jähne, B., and Grün, A., ?Measurements of slope statistics on a wind driven water surface?, in Optical 3D Measurement Techniques 4 - Applications in architecture, quality control, robotics, navigation, medical imaging and animation, 1997.

P.  Geißler and Jähne, B., ?A multi-camera system for in-shore measurements of bubble size distributions beneath breaking waves?, in Optical 3-D Measurement Techniques IV, Zurich, Sept. 29 - Oct. 2, 1997, 1997, p. 251--258.