@inproceedings{esop09coq, title = "Formalising and Verifying Reference Attribute Grammars in Coq", author = "Max Sch\"afer and Torbj\"orn Ekman and Oege de Moor", year = "2009", booktitle = "European Symposium on Programming (ESOP)", editor = "Giuseppe Castagna", pages = "143--159", publisher = "Springer-Verlag", }