1. Visual Language Theory;Marriott,1998
2. YACC: Yet Another Compiler Compiler;Johnson,1978
3. A framework for modeling visual notations with applications to software engineering;Costagliola;ACM Transactions on Software Engineering and Methodology,2004
4. A parsing methodology for the implementation of visual systems;Costagliola;IEEE Transactions on Software Engineering,1997
5. C. Donnelly, R. Stallman, Bison: the YACC-compatible parser generator, 〈http://www.combo.org/bison/〉, 1995.