Zoltan Gassmann Luis Mandel Roshan Sembacuttiaratchy RECOPLA: An Extendible Graphic Meta-Editor. 519-521 1998 conf/amast/1998 AMAST http://link.springer.de/link/service/series/0558/bibs/1548/15480519.htm db/conf/amast/amast98.html#GassmannMS98