{\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 Klar, M, Stybalkowski, P, Spies, H and J\'e4hne, B (2002). A miniaturized 3-D particle-tracking velocimetry system to measure the pore flow within a gravel layer. Proc. 11th Int. Symp. Applications of Laser Techniques to Fluid Mechanics. 2.3. http://in3.dem.ist.utl.pt/lxlaser2002/papers.asp\par \par }