B.  Jähne, Jähne, B., and Haußecker, H., ?Local averaging?, Handbook of Computer Vision and Applications. Volume II: Signal Processing and Pattern Recognition. Academic Press, p. 153--174, 1999.

B.  Jähne, Jähne, B., and Haußecker, H., ?Local structure?, Handbook of Computer Vision and Applications. Volume II: Signal Processing and Pattern Recognition. Academic Press, p. 209--238, 1999.

P.  Geißler and Jähne, B., ?Laboratory and inshore measurements of bubble size distributions?, in Proc. Natural Physical Processes associated with Sea Surface Sound, Southampton, July 21--24, 1997, 1997, p. 147--154.