@booklet { rdata, title = {An Environment for Visual Dataflow Programming for Image Processing}, year = {2002}, publisher = {DIS University {\textquoteleft}{\textquoteleft}La Sapienza{\textquoteright}{\textquoteright} Rome Italy. {\tt www.dis.uniroma1.it/$\sim$spqr}}, author = {D. Baldassari and G. Grisetti and L. Iocchi} }