{\rtf1\ansi\deff0\deftab360 {\fonttbl {\f0\fswiss\fcharset0 Arial} {\f1\froman\fcharset0 Times New Roman} {\f2\fswiss\fcharset0 Verdana} {\f3\froman\fcharset2 Symbol} } {\colortbl; \red0\green0\blue0; } {\info {\author Biblio 7.x}{\operator }{\title Biblio RTF Export}} \f1\fs24 \paperw11907\paperh16839 \pgncont\pgndec\pgnstarts1\pgnrestart Gei\'dfler, P, J\'e4hne, B and P\'f6ppl, S J (1993). Depth-from-focus zur Bestimmung der Konzentration und Gr\'f6\'dfe von Gasblasen. Proc. 15. DAGM-Symposium Mustererkennung. Springer. 560--567\par \par }