{\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 Hau\'dfecker, H, Reinelt, S, J\'e4hne, B and J\'e4hne, B (1995). Heat as a proxy tracer for gas exchange measurements in the field: principles and technical realization. Air--Water Gas Transfer: Selected Papers from the Third International Symposium on Air--Water Gas Transfer. AEON. 405--413\par \par Reinelt, S (1994). Bestimmung Der Transfergeschwindigkeit Mittels Cft Mit W\'e4rme Als Tracer. Institut f\'fcr Umweltphysik, Fakult\'e4t f\'fcr Physik und Astronomie, Univ.\\ Heidelberg\par \par }