The syntax definition formalism SDF - reference manual. - Jan Heering; P. R. H. Hendriks; Paul Klint; J. Rekers (ACM SIGPLAN Notices, 1989)

Incremental Generation of Parsers. - Jan Heering; Paul Klint; J. Rekers (IEEE Trans. Software Eng., 1990)

Substring Parsing for Arbitrary Context-Free Grammars. - J. Rekers; Wilco Koorn (ACM SIGPLAN Notices, 1991)

Incremental Generation of Lexical Scanners. - Jan Heering; Paul Klint; J. Rekers (ACM Trans. Program. Lang. Syst., 1992)

Lazy and Incremental Program Generation. - Jan Heering; Paul Klint; J. Rekers (ACM Trans. Program. Lang. Syst., 1994)

A Graph Grammar Approach to Graphical Parsing. - J. Rekers; Andy Schürr (VL, 1995)

A graph based framework for the implementation of visual environments. - J. Rekers; Andy Schürr (VL, 1996)

Defining and Parsing Visual Languages with Layered Graph Grammars. - J. Rekers; Andy Schürr (J. Vis. Lang. Comput., 1997)