{\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}{\operator }{\title Biblio RTF Export}} \f1\fs24 \paperw11907\paperh16839 \pgncont\pgndec\pgnstarts1\pgnrestart Baecker, R. M., "Two systems which produce animated representations of the execution of computer programs", \i Proceedings of the fifth SIGCSE technical symposium on Computer science education - SIGCSE '75\i0 : ACM Press, pp. 158 - 167, 1975.\par \par }