EXL: An Experimental Lisp Dialect - Leidig, Roesch (1994)(Correct)
Converter Make a new class for coversion of Celsius-Fahrenheit-Kelvin: define-class CFK-Converter
class and connect it to the new symbols Celsius, Fahrenheit and Kelvin: CFK-Converter ( wwwagss.informatik.uni-kl.de/Mitarbeiter/leidig/exl-pos.ps.Z