Luc Fabresse Christophe Dony Marianne Huchard Scl: A Simple, Uniform and Operational Language for Component-Oriented Programming in Smalltalk. 91-110 2006 conf/smalltalk/2006 ISC http://dx.doi.org/10.1007/978-3-540-71836-9_5 db/conf/smalltalk/isc2006.html#FabresseDH06