Barn, Balbir S.Willis, Philip2014-10-212014-10-2119871467-8659https://doi.org/10.1111/j.1467-8659.1987.tb00358.xGraphical interfaces and interactive graphical programmes are awkward to write because of a lack of top-down structure. A methodology for constructing graphical programs will be described, together with a system that generates the basic interaction requirements for such applications.10.1111/j.1467-8659.1987.tb00358.x119-124